Changelog:
=========
lib: Fix decoder table size update (GH-1667)
lib: chore: fix -Wunreachable-code-return (GH-1625)
build: Make Docker speak HTTP/3 (GH-1657)
build: Remove SPDY option for CMake (GH-1665)
build: cmake: Disable libbpf build by default
doc: Fix typos (GH-1668)
doc: Update nghttp2.pyx (GH-1666)
h2load: Handle EAGAIN/EWOULDBLOCK from sendmsg
h2load: allow setting max frame size for h2load (GH-1640)
nghttpx: Add --require-http-scheme option
nghttpx: Add support QUIC BBR2
nghttpx: Bump libbpf to v0.7.0 and turn on all strict features
nghttpx: Change qlog file extension to .sqlog
nghttpx: Fix bug that h3 stream ends prematurely
nghttpx: Fix the issue that forwarded h3 GET request always has chunked TE
nghttpx: Handle EAGAIN/EWOULDBLOCK from sendmsg
nghttpx: Send and receive ECN in QUIC packets
nghttpx: Set IP_PMTUDISC_DO explicitly
nghttpx: Support h3 trailer fields
nghttpx: fix quotes in --altsvc example (GH-1643)
nghttpx: shrpx: make nghttpx -v show ngtcp2 and nghttp3 version as well (GH-1636)
third-party: Bump llhttp to v6.0.6
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>