[master] RFR: Merge jdk:jdk-21+20

[Thomas Stuefe]

Merge jdk21+20

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Commit messages:
 - Fix Minimal
 - Take over newest changes from upstream 8305896: Alternative full GC forwarding
 - Move stub generation for check_lock_stack to initial stubs
 - Merge jdk-21+20
 - 8305771: SA ClassWriter.java fails to skip overpass methods
 - 8306951: [BACKOUT] JDK-8305252 make_method_handle_intrinsic may call java code under a lock
 - 8306409: Open source AWT KeyBoardFocusManger, LightWeightComponent related tests
 - 8306705: com/sun/jdi/PopAndInvokeTest.java fails with NativeMethodException
 - 8302182: Update Public Suffix List to 88467c9
 - 8305853: java/text/Format/DateFormat/DateFormatRegression.java fails with "Uncaught exception thrown in test method Test4089106"
 - ... and 728 more: https://git.openjdk.org/lilliput/compare/e12ed8a2...e42fae8f

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - master: https://webrevs.openjdk.org/?repo=lilliput&pr=87&range=00.0
 - jdk:jdk-21+20: https://webrevs.openjdk.org/?repo=lilliput&pr=87&range=00.1

Changes: https://git.openjdk.org/lilliput/pull/87/files
  Stats: 502200 lines in 5003 files changed: 393483 ins; 71533 del; 37184 mod
  Patch: https://git.openjdk.org/lilliput/pull/87.diff
  Fetch: git fetch https://git.openjdk.org/lilliput.git pull/87/head:pull/87

PR: https://git.openjdk.org/lilliput/pull/87