[lilliput-jdk21u:lilliput] RFR: Merge jdk21u:jdk-21.0.3+7

[Roman Kennke]

Let's merge the tag jdk-21.0.3+7.

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Commit messages:
 - Merge tag 'jdk-21.0.3+7' into merge-jdk-21.0.3+7
 - 8327391: Add SipHash attribution file
 - 8322750: Test "api/java_awt/interactive/SystemTrayTests.html" failed because A blue ball icon is added outside of the system tray
 - 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
 - ... and 559 more: https://git.openjdk.org/lilliput-jdk21u/compare/e3adaa5b...5eadae09

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lilliput: https://webrevs.openjdk.org/?repo=lilliput-jdk21u&pr=17&range=00.0
 - jdk21u:jdk-21.0.3+7: https://webrevs.openjdk.org/?repo=lilliput-jdk21u&pr=17&range=00.1

Changes: https://git.openjdk.org/lilliput-jdk21u/pull/17/files
  Stats: 79715 lines in 2383 files changed: 42913 ins; 20667 del; 16135 mod
  Patch: https://git.openjdk.org/lilliput-jdk21u/pull/17.diff
  Fetch: git fetch https://git.openjdk.org/lilliput-jdk21u.git pull/17/head:pull/17

PR: https://git.openjdk.org/lilliput-jdk21u/pull/17