haproxy: bump to version 1.7.2

haproxy: bump to version 1.7.2
Released version 1.7.2 with the following main changes :

  - BUG/MEDIUM: lua: In some case, the return of sample-fetches is ignored (2)
  - SCRIPTS: git-show-backports: fix a harmless typo
  - SCRIPTS: git-show-backports: add -H to use the hash of the commit message
  - BUG/MINOR: stream-int: automatically release SI_FL_WAIT_DATA on SHUTW_NOW
  - DOC: lua: documentation about time parser functions
  - DOC: lua: section declared twice
  - BUG/MINOR: lua/cli: bad error message
  - DOC: fix small typo in fe_id (backend instead of frontend)
  - BUG/MINOR: Fix the sending function in Lua's cosocket
  - BUG/MINOR: lua: memory leak executing tasks
  - BUG/MINOR: lua: bad return code
  - BUG/MEDIUM: ssl: properly reset the reused_sess during a forced handshake
  - BUG/MEDIUM: ssl: avoid double free when releasing bind_confs
  - BUG/MINOR: stats: fix be/sessions/current out in typed stats
  - BUG/MINOR: backend: nbsrv() should return 0 if backend is disabled
  - BUG/MEDIUM: ssl: for a handshake when server-side SNI changes
  - BUG/MINOR: systemd: potential zombie processes
  - DOC: Add timings events schemas
  - BUILD: lua: build failed on FreeBSD.
  - BUG/MINOR: option prefer-last-server must be ignored in some case
  - MINOR: stats: Support "select all" for backend actions
  - BUG/MINOR: sample-fetches/stick-tables: bad type for the sample fetches sc*_get_gpt0
  - BUG/MAJOR: channel: Fix the definition order of channel analyzers
  - BUG/MINOR: http: report real parser state in error captures
  - BUILD: scripts: automatically update the branch in version.h when releasing
  - BUG/MAJOR: http: fix risk of getting invalid reports of bad requests
  - MINOR: http: custom status reason.
  - MINOR: connection: add sample fetch "fc_rcvd_proxy"
  - BUG/MINOR: config: emit a warning if http-reuse is enabled with incompatible options
  - BUG/MINOR: tools: fix off-by-one in port size check
  - BUG/MEDIUM: server: consider AF_UNSPEC as a valid address family
  - MEDIUM: server: split the address and the port into two different fields
  - MINOR: tools: make str2sa_range() return the port in a separate argument
  - MINOR: server: take the destination port from the port field, not the addr
  - MEDIUM: server: disable protocol validations when the server doesn't resolve
  - BUG/MEDIUM: tools: do not force an unresolved address to AF_INET:0.0.0.0
  - BUG/MINOR: ssl: EVP_PKEY must be freed after X509_get_pubkey usage
  - MINOR: proto_http.c 502 error txt typo.
  - DOC: add deprecation notice to "block"
  - BUG/MINOR: Reset errno variable before calling strtol(3)

Signed-off-by: heil <redacted>