[jdk21u-dev] RFR: 8348328: Update IANA Language Subtag Registry to Version 2025-05-15

[Radek Cap]

Backport of JDK-8348328 - Update IANA Language Subtag Registry to Version 2025-05-15

The IANA Functions Operator has updated the language subtag registry to "2025-05-15".

Clean backport.
Passed tier1 tests. 

There are the same failures on the master branch in a local run:


compiler/escapeAnalysis/TestFindInstMemRecursion.java: 
test result: Failed. Execution failed: `main' threw exception: java.awt.AWTError: Can't connect to X11 window server using ':0' as the value of the DISPLAY variable.

serviceability/sa/ClhsdbPstack.java#core
test result: Error. Program `/home/rcap/git/github/jdk21u-dev/build/linux-x86_64-server-release/images/jdk/bin/java' timed out (timeout set to 1920000ms, elapsed time including timeout handling was 1920178ms).

serviceability/sa/ClhsdbPstack.java#process
test result: Error. Program `/home/rcap/git/github/jdk21u-dev/build/linux-x86_64-server-release/images/jdk/bin/java' timed out (timeout set to 480000ms, elapsed time including timeout handling was 480217ms).

serviceability/sa/TestJhsdbJstackMixed.java:
test result: Error. "driver" action timed out with a timeout of 480 seconds on agent 58

java/foreign/nested/TestNested.java
test result: Failed. Compilation failed: Compilation failed


GH Actions are passing, Windows failures are unrelated.

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Commit messages:
 - Backport f318868268f32934a2f0c4e26a6c75360d8e74b1

Changes: https://git.openjdk.org/jdk21u-dev/pull/1846/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1846&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8348328
  Stats: 143 lines in 2 files changed: 135 ins; 1 del; 7 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1846.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1846/head:pull/1846

PR: https://git.openjdk.org/jdk21u-dev/pull/1846