documentation

Pull request #2024: updated maintenance mode page (ZBX-23174)

Merge in WEB/documentation from feature/ZBX-23174-7.2-D to release/7.2

* commit 'd0c8ba5598bfebce91b822a9ed5cd0aa91107c8e': (125 commits)
  fixing merge conflict
  fixed formatting
  CI: updated files
  [ZBXNEXT-9238] PostgreSQL 17 supported
  CI: updated files
  [DEV-3708] updated distribution list for Java gateway packages (sub-issue 29)
  CI: updated files
  [ZBX-25423] error in host reassignment condition fixed
  CI: updated files
  [ZBXNEXT-9208] fixing typo
  CI: updated files
  [ZBXNEXT-9208] regrepl only works with libpcre2
  CI: updated files
  [ZBXNEXT-9532] Timescale 2.17 supported
  CI: updated files
  [ZBXNEXT-6813] updated default language (en_GB → en_US)
  CI: updated files
  [ZBXNEXT-9058, ZBXNEXT-9382] Updated template info.
  CI: updated files
  [DEV-3386] clarified bitmask field behavior (sub-issue 45)
  ...