[RELEASE] Released version 2.4-dev6

Released version 2.4-dev6 with the following main changes :
    - MINOR: converter: adding support for url_enc
    - BUILD: SSL: guard TLS13 ciphersuites with HAVE_SSL_CTX_SET_CIPHERSUITES
    - BUILD: ssl: guard EVP_PKEY_get_default_digest_nid with ASN1_PKEY_CTRL_DEFAULT_MD_NID
    - BUILD: ssl: guard openssl specific with SSL_READ_EARLY_DATA_SUCCESS
    - BUILD: Makefile: exclude broken tests by default
    - CLEANUP: cfgparse: replace "realloc" with "my_realloc2" to fix to memory leak on error
    - BUG/MINOR: hlua: Fix memory leak in hlua_alloc
    - MINOR: contrib/prometheus-exporter: export build_info
    - DOC: fix some spelling issues over multiple files
    - CLEANUP: Fix spelling errors in comments
    - SCRIPTS: announce-release: fix typo in help message
    - CI: github: add a few more words to the codespell ignore list
    - DOC: Add maintainers for the Prometheus exporter
    - BUG/MINOR: sample: fix concat() converter's corruption with non-string variables
    - BUG/MINOR: server: Memory leak of proxy.used_server_addr during deinit
    - CLEANUP: sample: remove uneeded check in json validation
    - MINOR: reg-tests: add a way to add service dependency
    - BUG/MINOR: sample: check alloc_trash_chunk return value in concat()
    - BUG/MINOR: reg-tests: fix service dependency script
    - MINOR: reg-tests: add base prometheus test
    - Revert "BUG/MINOR: dns: SRV records ignores duplicated AR records"
    - BUG/MINOR: sample: Memory leak of sample_expr structure in case of error
    - BUG/MINOR: check: Don't perform any check on servers defined in a frontend
    - BUG/MINOR: init: enforce strict-limits when using master-worker
    - MINOR: contrib/prometheus-exporter: avoid connection close header
    - MINOR: contrib/prometheus-exporter: use fill_info for process dump
    - BUG/MINOR: init: Use a dynamic buffer to set HAPROXY_CFGFILES env variable
    - MINOR: config: Add failifnotcap() to emit an alert on proxy capabilities
    - MINOR: server: Forbid server definitions in frontend sections
    - BUG/MINOR: threads: Fixes the number of possible cpus report for Mac.
    - CLEANUP: pattern: rename pat_ref_commit() to pat_ref_commit_elt()
    - MINOR: pattern: add the missing generation ID manipulation functions
    - MINOR: peers: Add traces for peer control messages.
    - BUG/MINOR: dns: SRV records ignores duplicated AR records (v2)
    - BUILD: peers: fix build warning about unused variable
    - BUG/MEDIUM: stats: add missing INF_BUILD_INFO definition
    - MINOR: cache: Do not store responses with an unknown encoding
    - BUG/MINOR: peers: Possible appctx pointer dereference.
    - MINOR: build: discard echoing in help target
    - MINOR: cache: Remove the `hash` part of the accept-encoding secondary key
    - CLEANUP: cache: Use proper data types in secondary_key_cmp()
    - CLEANUP: Rename accept_encoding_hash_cmp to accept_encoding_bitmap_cmp
    - BUG/MINOR: peers: Wrong "new_conn" value for "show peers" CLI command.
    - MINOR: contrib: Make the wireshark peers dissector compile for more distribs.
    - BUG/MINOR: mux_h2: missing space between "st" and ".flg" in the "show fd" helper
    - CLEANUP: tools: make resolve_sym_name() take a const pointer
    - CLEANUP: cli: make "show fd" use a const connection to access other fields
    - MINOR: cli: make "show fd" also report the xprt and xprt_ctx
    - MINOR: xprt: add a new show_fd() helper to complete some "show fd" dumps.
    - MINOR: ssl: provide a "show fd" helper to report important SSL information
    - MINOR: xprt/mux: export all *_io_cb functions so that "show fd" resolves them
    - MINOR: mux-h2: make the "show fd" helper also decode the h2s subscriber when known
    - MINOR: mux-h1: make the "show fd" helper also decode the h1s subscriber when known
    - MINOR: mux-fcgi: make the "show fd" helper also decode the fstrm subscriber when known
    - CI: Pin VTest to a known good commit
    - MINOR: cli: give the show_fd helpers the ability to report a suspicious entry
    - MINOR: cli/show_fd: report some easily detectable suspicious states
    - MINOR: ssl/show_fd: report some FDs as suspicious when possible
    - MINOR: mux-h2/show_fd: report as suspicious an entry with too many calls
    - MINOR: mux-h1/show_fd: report as suspicious an entry with too many calls
    - BUG/MINOR: mworker: define _GNU_SOURCE for strsignal()
    - BUG/MEDIUM: tcpcheck: Don't destroy connection in the wake callback context
    - BUG/MEDIUM: mux-h2: Xfer rxbuf to the upper layer when creating a front stream
    - MINOR: http: Add HTTP 501-not-implemented error message
    - MINOR: muxes: Add exit status for errors about not implemented features
    - MINOR: mux-h1: Be prepared to return 501-not-implemented error during parsing
    - MEDIUM: mux-h1: Return a 501-not-implemented for upgrade requests with a body
    - DOC: Remove space after comma in converter signature
    - DOC: Rename '<var name>' to '<var>' in converter signature
    - MINOR: stats: duplicate 3 fields in bytes in info
    - MINOR: stats: add new start time field
    - MINOR: contrib/prometheus-exporter: merge info description from stats
    - MEDIUM: stats: allow to select one field in `stats_fill_fe_stats`
    - MINOR: contrib/prometheus-exporter: use fill_fe_stats for frontend dump
    - MINOR: contrib/prometheus-exporter: Don't needlessly set empty label for metrics
    - MINOR: contrib/prometheus-exporter: Split the PROMEX_FL_STATS_METRIC flag
    - MINOR: contrib/prometheus-exporter: Add promex_metric struct defining a metric
    - MEDIUM: contrib/prometheus-exporter: Rework matrices defining Promex metrics
    - BUG/MINOR: stream: Don't update counters when TCP to H2 upgrades are performed
    - BUG/MEDIUM: mux-h2: fix read0 handling on partial frames
    - MINOR: debug: always export the my_backtrace function
    - MINOR: debug: extract the backtrace dumping code to its own function
    - MINOR: debug: create ha_backtrace_to_stderr() to dump an instant backtrace
    - MEDIUM: debug: now always print a backtrace on CRASH_NOW() and friends
    - MINOR: debug: let ha_dump_backtrace() dump a bit further for some callers
    - BUILD: debug: fix build warning by consuming the write() result
    - MINOR: lua: remove unused variable
    - BUILD/MINOR: lua: define _GNU_SOURCE for LLONG_MAX
4 files changed