Log Message:
curl: updated to 7.88.1

Fixed in 7.88.1 - February 20 2023

Bugfixes:

build-openssl.bat: keep OpenSSL 3 engine binaries
cmake: fix Windows check for CryptAcquireContext
connnect: fix timeout handling to use full duration
curl: make --silent work stand-alone
curl_setup: Suppress OpenSSL 3 deprecation warnings
CURLOPT_WS_OPTIONS.3: fix the availability version
GHA: update rustls dependency to 0.9.2
http2: buffer/pausedata and output flush fix.
http2: set drain on stream end
http: include stdint.h more readily
krb5: silence cast-align warning
lib1560: add IPv6 canonicalization tests
os400: correct Curl_os400_sendto()
remote-header-name.d: mention that filename* is not supported
runtests: fix "uninitialized value $port"
setopt: allow HTTP3 when HTTP2 is not defined
socketpair: allow EWOULDBLOCK when reading the pair check bytes
socks: allow using DoH to resolve host names
tests-httpd: add proxy tests
tests: make sure gnuserv-tls has SRP support before using it
tests: make the telnet server shut down a socket gracefully
tool_getparam: make --get a true boolean
tool_operate: allow debug builds to set buffersize
urlapi: do the port number extraction without using sscanf()
urldata: remove `now` from struct SingleRequest - not needed