Relates to #32745

* 6.x: (42 commits)
  [DOCS] Splits the users API documentation into multiple pages (#32825)
  [DOCS] Splits the token APIs into separate pages (#32865)
  [DOCS] Creates redirects for role management APIs page
  Bypassing failing test PainlessDomainSplitIT#testHRDSplit (#32966)
  TEST: Mute testRetentionPolicyChangeDuringRecovery
  [DOCS] Fixes more broken links to role management APIs
  [Docs] Tweaks and fixes to rollup docs
  [DOCS] Fixes links to role management APIs
  [ML][TEST] Fix BasicRenormalizationIT after adding multibucket feature
  [DOCS] Splits the roles API documentation into multiple pages (#32794)
  [TEST]  Run pre 6.4 nodes in non-FIPS JVMs (#32901)
  Remove assertion in testDocStats on deletedDocs counter (#32914)
  [ML] fix updating opened jobs scheduled events (#31651) (#32881)
  Enable FIPS140LicenseBootstrapCheck (#32903)
  HLRC: Move ML request converters into their own class (#32906)
  [DOCS] Update getting-started.asciidoc (#29518)
  Fix allowed value for HighlighterBuilder encoder in javadocs (#32780)
  [DOCS] Add "remove a tag" script logic as an example (#32556)
  RFC: Test that example plugins build stand-alone (#32235)
  Security: remove put privilege API (#32879)
  ...