[jdk17u-dev] RFR: 8308021: Update IANA Language Subtag Registry to Version 2023-05-11

[Goetz Lindenmaier]

I backport this for parity with 17.0.12-oracle.

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Depends on: https://git.openjdk.org/jdk17u-dev/pull/2364

Commit messages:
 - Backport 34468e1c916890d09e83d06094e225435c4642ba

Changes: https://git.openjdk.org/jdk17u-dev/pull/2368/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2368&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8308021
  Stats: 20 lines in 2 files changed: 17 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2368.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2368/head:pull/2368

PR: https://git.openjdk.org/jdk17u-dev/pull/2368