HAProxy 2.4.3
[RELEASE] Released version 2.4.3

Released version 2.4.3 with the following main changes :
    - BUILD: http_htx: fix ci compilation error with isdigit for Windows
    - MINOR: mux_h2: define config to disable h2 websocket support
    - BUG/MINOR: ssl: Default-server configuration ignored by server
    - BUILD: add detection of missing important CFLAGS
    - BUILD: lua: silence a build warning with TCC
    - BUG/MEDIUM: mworker: do not register an exit handler if exit is expected
    - BUG/MINOR: mworker: do not export HAPROXY_MWORKER_REEXEC across programs
    - BUILD/MINOR: memprof fix macOs build.
    - BUG/MEDIUM: ssl_sample: fix segfault for srv samples on invalid request
    - BUG/MINOR: stats: Add missing agent stats on servers
    - BUG/MINOR: check: fix the condition to validate a port-less server
    - BUG/MINOR: resolvers: Use a null-terminated string to lookup in servers tree
    - BUG/MINOR: systemd: must check the configuration using -Ws
    - BUG/MINOR: mux-h1: Obey dontlognull option for empty requests
    - BUG/MINOR: mux-h2: Obey dontlognull option during the preface
    - BUG/MINOR: mux-h1: Be sure to swap H1C to splice mode when rcv_pipe() is called
    - BUG/MEDIUM: mux-h2: Handle remaining read0 cases on partial frames
    - BUG/MINOR: connection: Add missing error labels to conn_err_code_str
    - BUG/MEDIUM: connection: close a rare race between idle conn close and takeover
    - BUG/MEDIUM: pollers: clear the sleeping bit after waking up, not before
    - BUG/MINOR: select: fix excess number of dead/skip reported
    - BUG/MINOR: poll: fix abnormally high skip_fd counter
    - BUG/MINOR: pollers: always program an update for migrated FDs
    - BUG/MINOR: fd: protect fd state harder against a concurrent takeover
    - DOC: internals: document the FD takeover process
    - BUILD: opentracing: fixed build when using pkg-config utility
    - BUG/MINOR: server: remove srv from px list on CLI 'add server' error
    - BUG/MINOR: server: update last_change on maint->ready transitions too
    - MINOR: server: unmark deprecated on enable health/agent cli
    - ADMIN: dyncookie: implement a simple dynamic cookie calculator
    - MINOR: spoe: Add a pointer on the filter config in the spoe_agent structure
    - BUG/MEDIUM: spoe: Create a SPOE applet if necessary when the last one is released
    - BUG/MINOR: buffer: fix buffer_dump() formatting
    - BUG/MINOR: tcpcheck: Properly detect pending HTTP data in output buffer
    - DOC: Improve the lua documentation
    - DOC: config: Fix 'http-response send-spoe-group' documentation
    - BUG/MEDIUM: spoe: Fix policy to close applets when SPOE connections are queued
    - BUG/MEDIUM: cfgcheck: verify existing log-forward listeners during config check
    - CLEANUP: assorted typo fixes in the code and comments
    - DOC/MINOR: fix typo in management document
    - MINOR: http: add a new function http_validate_scheme() to validate a scheme
    - BUG/MAJOR: h2: verify early that non-http/https schemes match the valid syntax
    - BUG/MAJOR: h2: verify that :path starts with a '/' before concatenating it
    - BUG/MAJOR: h2: enforce stricter syntax checks on the :method pseudo-header
    - BUG/MEDIUM: h2: give :authority precedence over Host
    - REGTESTS: add a test to prevent h2 desync attacks
4 files changed