[jdk11u-dev] RFR: 8304761: Update IANA Language Subtag Registry to Version 2023-03-22

[Andrew Lu]

I backport this for parity with 11.0.24-oracle.

-------------

Commit messages:
 - Backport ae3aa7289a3de98001dde382f511b574b1d26c8d

Changes: https://git.openjdk.org/jdk11u-dev/pull/2676/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2676&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8304761
  Stats: 170 lines in 2 files changed: 155 ins; 1 del; 14 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2676.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2676/head:pull/2676

PR: https://git.openjdk.org/jdk11u-dev/pull/2676