Updated: libnghttp2{_14, -devel}, nghttp2, {mingw64-{x86_64, i686}, python{38, 39}}-nghttp2 1.50

[Cygwin nghttp2 Maintainer]

The following packages have been upgraded in the Cygwin distribution:

* nghttp2			1.50
* libnghttp2_14			1.50
* libnghttp2-devel		1.50
* python38-nghttp2		1.50
* python39-nghttp2		1.50
* mingw64-x86_64-nghttp2	1.50
* mingw64-i686-nghttp2		1.50

HTTP/2 and its header compression algorithm HPACK implementation.
The framing layer of HTTP/2 is implemented as a reusable library.
Also included are an HTTP/2 client, server, proxy, load test and
benchmarking tool, and Python modules.

For more information see the project home page:

	https://nghttp2.org/

or the repo README:

	https://github.com/nghttp2/nghttp2#readme

Please see below or read /usr/share/doc/nghttp2/ChangeLog after
installation for complete details of changes:

	https://nghttp2.org/blog/


V1.50	2022-09-21

nghttpx

* nghttpx now respects backend-address-family option when dynamically
  resolving backend host with dns parameter in backend option.

lib

* This release adds option which disables checking leading and trailing
  white spaces against HTTP field value:
  nghttp2_option_set_no_rfc9113_leading_and_trailing_ws_validation

build

* Fix typographic error
* Bump ngtcp2
* Bump libbpf to v1.0.0