(WIP) Add release notes for Trino Gateway 12 and related changes

[mosabua]

Description

Assemble the release notes for Trino Gateway 12 release and adjust rest of docs to version 12

Additional context and related issues

Release notes

(x) This is not user-visible or is docs only, and no release notes are required.

Verification for each pull request

Format: PR/issue number, ✅ / ❌ rn ✅ / ❌ docs
✅ rn - release note added and verified, or assessed to be not necessary, set to ❌ rn before completion
✅ docs - need for docs assessed and merged, or assessed to be not necessary, set to ❌ docs before completion

Any dates missing in the list just had no merged PRs.

12 Sep 2024

• Improve mkocs setup info #463 ✅ rn ✅ docs

15 Sep 2024

• Fixed analyze request #469 ✅ rn ✅ docs

18 Sep 2024

• Fix documentation for UI_API #471 ✅ rn ✅ docs

20 Sep 2024

• Throw exception when no clusters are found for adhoc routing group #474 ✅ rn ✅ docs

23 Sep 2024

• Replace blackListHeaders with excludeHeaders #470 ✅ rn ✅ docs

24 Sep 2024

• Fix deprecated warning in TestGatewayHaMultipleBackend #477 ✅ rn ✅ docs
• Fix IndexOutOfBoundsException caused by switch-case statements with no breaks #479 ✅ rn ✅ docs

27 Sep 2024

• Add destination cluster info to response cookie #466 ✅ rn ✅ docs
• Inject RoutingTargetHandler #488 ✅ rn ✅ docs
• Upgrade UI #481 ✅ rn ✅ docs

29 Sep 2024

• Enable ErrorProne UnusedMethod #494 ✅ rn ✅ docs
• Minor cleanup in TestGatewayHaSingleBackend #496 ✅ rn ✅ docs
• Minor cleanup #492 ✅ rn ✅ docs
• Minor cleanup in tests #495 ✅ rn ✅ docs
• Follow test guideline #493 ✅ rn ✅ docs

1 Oct 2024

• Allow setting config values from env variables #483 ✅ rn ✅ docs
• Update docs to add encoding header to be excluded #489 ✅ rn ✅ docs
• Update errorprone rules and fix some warning #499 ✅ rn ✅ docs
• Enable some errorprone rules and remove redundant mock usage #500 ✅ rn ✅ docs

2 Oct 2024

• Add slide deck from OSDS #490 ✅ rn ✅ docs
• Improve pull request description template #503 ✅ rn ✅ docs
• Remove unused constant #506 ✅ rn ✅ docs
• Move getStart to HaQueryHistoryManager #507 ✅ rn ✅ docs
• Move header place in StatementUtils #508 ✅ rn ✅ docs
• Enable some ErrorProne rules #509 ✅ rn ✅ docs
• Fix typo #511 ✅ rn ✅ docs
• Remove redundant dep.trino.version declaration and inline dep.mysqlconnector.version #512 ✅ rn ✅ docs

3 Oct 2024