[master] RFR: Merge jdk:jdk-21+12

[Roman Kennke]

Merging upstream tag jdk-21+12.

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Commit messages:
 - Comment-out some unsupported tests.
 - Merge tag 'jdk-21+12'
 - 8303070: Memory leak in DCmdArgument<char*>::parse_value
 - 8303401: Add a Vector API equalsIgnoreCase micro benchmark
 - 8303232: java.util.Date.parse(String) and java.util.Date(String) don't declare thrown IllegalArgumentException
 - 8303183: Memory leak in Arguments::init_shared_archive_paths
 - 8303362: Serial: Move CardTableRS to serial directory
 - 8303252: G1: Return early from Full-GC if no regions are selected for compaction.
 - 8303344: After JDK-8302760, G1 heap verification does not exit VM after errors
 - 8303013: Always do remembered set verification during G1 Full GC
 - ... and 405 more: https://git.openjdk.org/lilliput/compare/7ed8bfa6...96929c62

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - master: https://webrevs.openjdk.org/?repo=lilliput&pr=75&range=00.0
 - jdk:jdk-21+12: https://webrevs.openjdk.org/?repo=lilliput&pr=75&range=00.1

Changes: https://git.openjdk.org/lilliput/pull/75/files
  Stats: 82606 lines in 2056 files changed: 40038 ins; 21494 del; 21074 mod
  Patch: https://git.openjdk.org/lilliput/pull/75.diff
  Fetch: git fetch https://git.openjdk.org/lilliput pull/75/head:pull/75

PR: https://git.openjdk.org/lilliput/pull/75