RFR: Merge openjdk/jdk21u-dev:master

[William Kemper]

Merges tag jdk-21.0.4+0

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Commit messages:
 - 8323664: java/awt/font/JNICheck/FreeTypeScalerJNICheck.java still fails with JNI warning on some Windows configurations
 - 8325496: Make TrimNativeHeapInterval a product switch
 - 8321151: JDK-8294427 breaks Windows L&F on all older Windows versions
 - 8325876: crashes in docker container tests on Linuxppc64le Power8 machines
 - 8325470: [AIX] use fclose after fopen in read_psinfo
 - 8320303: Allow PassFailJFrame to accept single window creator
 - 8326000: Remove obsolete comments for class sun.security.ssl.SunJSSE
 - 8314835: gtest wrappers should be marked as flagless
 - 8325254: CKA_TOKEN private and secret keys are not necessarily sensitive
 - 8311893: Interactive component with ARIA role 'tabpanel' does not have a programmatically associated name
 - ... and 34 more: https://git.openjdk.org/shenandoah-jdk21u/compare/57956950...36b5ac46

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.org/shenandoah-jdk21u/pull/23/files
  Stats: 3168 lines in 175 files changed: 2422 ins; 194 del; 552 mod
  Patch: https://git.openjdk.org/shenandoah-jdk21u/pull/23.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah-jdk21u.git pull/23/head:pull/23

PR: https://git.openjdk.org/shenandoah-jdk21u/pull/23