Log Message:
curl: update to 7.86.0.

Changes:

    NPN: remove support for and use of
    Websockets: initial support

Bugfixes:

    altsvc: reject bad port numbers
    altsvc: use 'h3' for h3
    amiga: do not hardcode openssl/zlib into the os config
    amiga: set SIZEOF_CURL_OFF_T=8 by default
    amigaos: add missing curl header
    asyn-ares: set hint flags when calling ares_getaddrinfo
    autotools: allow --enable-symbol-hiding with windows
    autotools: allow unix sockets on Windows
    autotools: reduce brute-force when detecting recv/send arg list
    aws_sigv4: fix header computation
    bearssl: make it proper C89 compliant
    CI/GHA: cancel outdated CI runs on new PR changes
    CI/GHA: merge msh3 and openssl3 builds into linux workflow
    cirrus-ci: add macOS build with m1
    cirrus: use make LDFLAGS=-all-static instead of curl_LDFLAGS
    cli tool: do not use disabled protocols
    cmake: add missing inet_ntop check
    cmake: add the check of HAVE_SOCKETPAIR
    cmake: define BUILDING_LIBCURL in lib/CMakeLists, not config.h
    cmake: delete duplicate HAVE_GETADDRINFO test
    cmake: enable more detection on Windows
    cmake: fix original MinGW builds
    cmake: improve usability of CMake build as a sub-project
    cmake: set HAVE_GETADDRINFO_THREADSAFE on Windows
    cmake: set HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID on Windows
    cmake: sync HAVE_SIGNAL detection with autotools
    cmdline/docs: add a required 'multi' keyword for each option
    configure: correct the wording when checking grep -E
    configure: deprecate builds with small curl_off_t
    configure: fail if '--without-ssl' + explicit parameter for an ssl lib
    configure: the ngtcp2 option should default to 'no'
    connect: change verbose IPv6 address:port to [address]:port
    connect: fix builds without AF_INET6
    connect: fix Curl_updateconninfo for TRNSPRT_UNIX
    connect: fix the wrong error message on connect failures
    content_encoding: use writer struct subclasses for different encodings
    cookie: reject cookie names or content with TAB characters
    ctype: remove all use of <ctype.h>, use our own versions
    curl-compilers.m4: for gcc + want warnings, set gnu89 standard
    curl-compilers.m4: use -O2 as default optimize for clang
    curl-wolfssl.m4: error out if wolfSSL is not usable
    curl.h: fix mention of wrong error code in comment
    curl/add_file_name_to_url: use the libcurl URL parser
    curl/add_parallel_transfers: better error handling
    curl/get_url_file_name: use libcurl URL parser
    curl: warn for --ssl use, considered insecure
    curl_ctype: convert to macros-only
    curl_easy_pause.3: unpausing is as fast as possible
    curl_escape.3: fix typo
    curl_setup: disable use of FLOSS for 64-bit NonStop builds
    curl_setup: include curl.h after platform setup headers
    curl_setup: include only system.h instead of curl.h
    curl_strequal.3: fix argument typo
    curl_url_set.3: document CURLU_APPENDQUERY proper
    CURLMOPT_PIPELINING.3: dedup manpage xref
    CURLOPT_ACCEPT_ENCODING.3: remove "four" as they are five
    CURLOPT_AUTOREFERER.3: highlight the privacy leak risk
    CURLOPT_COOKIEFILE: insist on "" for enable-without-file
    CURLOPT_COOKIELIST.3: fix formatting mistake
    CURLOPT_DNS_INTERFACE.3: mention it works for almost all protocols
    CURLOPT_MIMEPOST.3: add an (inline) example
    CURLOPT_POSTFIELDS.3: refer to CURLOPT_MIMEPOST
    CURLOPT_PROXY_SSLCERT_BLOB.3: this is for HTTPS proxies
    CURLOPT_WILDCARDMATCH.3: Fix backslash escaping under single quotes
    CURLSHOPT_UNLOCKFUNC.3: the callback has no 'access' argument
    DEPRECATE.md: Support for systems without 64 bit data types
    docs/examples: avoid deprecated options in examples where possible
    docs/INSTALL: update Android Instructions for newer NDKs
    docs/libcurl/symbols-in-versions: add several missing symbols
    docs: 100+ spellfixes
    docs: correct missing uppercase in Markdown files
    docs: document more server names for test files
    docs: fix deprecation versions inconsistencies
    docs: make sure libcurl opts examples pass in long arguments
    docs: remove mentions of deprecated '--without-openssl' parameter
    docs: tag curl options better in man pages
    docs: tell about disabled protocols in CURLOPT_*PROTOCOLS_STR.
    docs: update sourceforge project links
    easy: fix the #include order
    easy: fix the altsvc init for curl_easy_duphandle
    easy_lock: check for HAVE_STDATOMIC_H as well
    examples/chkspeed: improve portability
    formdata: fix warning: 'CURLformoption' is promoted to 'int'
    ftp: ignore a 550 response to MDTM
    ftp: remove redundant if
    functypes: provide the recv and send arg and return types
    getparameter: return PARAM_MANUAL_REQUESTED for -M even when disabled
    GHA: build tests in a separate step from the running of them
    GHA: run proselint on markdown files
    github: initial CODEOWNERS setup for CI configuration
    header: define public API functions as extern c
    headers: reset the requests counter at transfer start
    hostip: guard PF_INET6 use
    hostip: lazily wait to figure out if IPv6 works until needed
    http, vauth: always provide Curl_allow_auth_to_host() functionality
    http2: make nghttp2 less picky about field whitespace
    HTTP3.md: update Caddy example
    http: try parsing Retry-After: as a number first
    http_proxy: restore the protocol pointer on error
    httpput-postfields.c: shorten string for C89 compliance
    ldap: delete stray CURL_HAS_MOZILLA_LDAP reference
    lib1560: extended to verify detect/reject of unknown schemes
    lib517: fix C89 constant signedness
    lib: add missing limits.h includes
    lib: add required Win32 setup definitions in setup-win32.h
    lib: prepare the incoming of additional protocols
    lib: sanitize conditional exclusion around MIME
    lib: set more flags in config-win32.h
    lib: the number four in a sequence is the "fourth"
    libssh: if sftp_init fails, don't get the sftp error code
    Makefile.m32: deduplicate build rules
    Makefile.m32: drop CROSSPREFIX and our CC/AR defaults
    Makefile.m32: exclude libs & libpaths for shared mode exes
    Makefile.m32: fix regression with tool_hugehelp
    Makefile.m32: major rework
    Makefile.m32: reintroduce CROSSPREFIX and -W -Wall
    Makefile.m32: support more options
    manpage-syntax.pl: all libcurl option symbols should be \fI-tagged
    manpages: Fix spelling of "allows to" -> "allows one to"
    misc: ISSPACE() => ISBLANK()
    misc: use the term "null-terminate" consistently
    mprintf: reject two kinds of precision for the same argument
    mprintf: use snprintf if available
    mqtt: return error for too long topic
    mqtt: spell out CONNECT in comments
    msh3: change the static_assert to make the code C89
    netrc: compare user name case sensitively
    netrc: replace fgets with Curl_get_line
    netrc: use the URL-decoded user
    ngtcp2: fix build errors due to changes in ngtcp2 library
    ngtcp2: fix C89 compliance nit
    noproxy: support proxies specified using cidr notation
    openssl: make certinfo available for QUIC
    README.md: add GHA status badges for Linux and macOS builds
    RELEASE-PROCEDURE.md: mention patch releases
    resolve: make forced IPv4 resolve only use A queries
    runtests: fix uninitialized value on ignored tests
    schannel: ban server ALPN change during recv renegotiation
    schannel: don't reset recv/send function pointers on renegotiation
    schannel: when importing PFX, disable key persistence
    scripts: use `grep -E` instead of `egrep`
    setopt: use the handler table for protocol name to number conversions
    setopt: when POST is set, reset the 'upload' field
    setup-win32: no longer define UNICODE/_UNICODE implicitly
    single_transfer: use the libcurl URL parser when appending query parts
    smb: replace CURL_WIN32 with WIN32
    strcase: add and use Curl_timestrcmp
    strerror: improve two URL API error messages
    symbol-scan.pl: also check for LIBCURL* symbols
    symbol-scan.pl: scan and verify .3 man pages
    symbols-in-versions: add missing LIBCURL* symbols
    symbols-in-versions: CURLOPT_ENCODING is deprecated since 7.21.6
    test1119: scan all public headers
    test1275: verify uppercase after period in markdown
    test972: verify the output without using external tool
    tests/certs/scripts: insert standard curl source headers
    tests/Makefile: remove run time stats from ci-test
    tests: avoid CreateThread if _beginthreadex is available
    tests: fix tag syntax errors in test files
    tests: skip mime/form tests when mime is not built-in
    tidy-up: delete parallel/unused feature flags
    tidy-up: delete unused HAVE_STRUCT_POLLFD
    TODO: provide the error body from a CONNECT response
    tool: avoid generating ambiguous escaped characters in --libcurl
    tool: remove dead code
    tool: reorganize function c_escape around a dynbuf
    tool_hugehelp: make hugehelp a blank macro when disabled
    tool_main: exit at once if out of file descriptors
    tool_operate: avoid a few #ifdefs for disabled-libcurl builds
    tool_operate: more transfer cleanup after parallel transfer fail
    tool_operate: prevent over-queuing in parallel mode
    tool_operate: reduce errorbuffer allocs
    tool_paramhelp: asserts verify maximum sizes for string loading
    tool_paramhelp: make the max argument a 'double'
    tool_progress: remove 'Qd' from the parallel progress bar
    tool_setopt: use better English in --libcurl source comments
    tool_xattr: save the original URL, not the final redirected one
    unit test 1655: make it C89-compliant
    url: a zero-length userinfo part in the URL is still a (blank) user
    url: allow non-HTTPS HSTS-matching for debug builds
    url: rename function due to name-clash in Watt-32
    url: use IDN decoded names for HSTS checks
    urlapi: detect scheme better when not guessing
    urlapi: fix parsing URL without slash with CURLU_URLENCODE
    urlapi: leaner with fewer allocs
    urlapi: reject more bad characters from the host name field
    winbuild/MakefileBuild.vc: handle spaces in libssh(2) include paths
    winbuild: use NMake batch-rules for compilation
    windows: add .rc support to autotools builds
    windows: adjust name of two internal public functions
    windows: autotools .rc warnings fixup
    wolfSSL: fix session management bug.