[jdk24u] 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. 

The only failing jtreg tier1 test (TestFindInstMemRecursion.java) is failing on the master as well with 


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.


GH Actions are passing

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Commit messages:
 - Backport f318868268f32934a2f0c4e26a6c75360d8e74b1

Changes: https://git.openjdk.org/jdk24u/pull/227/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk24u&pr=227&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/jdk24u/pull/227.diff
  Fetch: git fetch https://git.openjdk.org/jdk24u.git pull/227/head:pull/227

PR: https://git.openjdk.org/jdk24u/pull/227