[jdk23u] RFR: 8334418: Update IANA Language Subtag Registry to Version 2024-06-14

[Weibing Xiao]

Update IANA Language Subtag Registry to Version 2024-06-14

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Commit messages:
 - Backport 861aefcafacdc21459ef966307f52568e327fd49

Changes: https://git.openjdk.org/jdk23u/pull/18/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk23u&pr=18&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8334418
  Stats: 7 lines in 2 files changed: 4 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk23u/pull/18.diff
  Fetch: git fetch https://git.openjdk.org/jdk23u.git pull/18/head:pull/18

PR: https://git.openjdk.org/jdk23u/pull/18