Log Message:
www/nginx*: update to the latest stable version - 1.24.0

The new stable version incorporating new features and bug fixes from
the 1.23.x mainline branch, including improved handling of multiple
header lines with identical names, memory usage optimization in
configurations with SSL proxying, better sanity checking of the
listen directive protocol parameters, TLSv1.3 protocol enabled by
default, automatic rotation of TLS session tickets encryption keys
when using shared memory in the ssl_session_cache directive, and more.

Syncronize www/nginx and www/nginx-devel ports, including:
o) merge recent versions of third-party modules from
   www/nginx-devel to www/nginx;
o) syncronize patches between www/nginx and www/nginx-devel;
o) syncronize MESSAGE;
o) remove needless patches;
o) move pcre2 support to the main Makefile, remove `pcre'
   option and devel/pcre support for the both whole ports,
   but keep it for the third-party `lua' module;
o) update naxsi third-party module to its recent commit.