[jdk11u-dev] RFR: 8267038: Update IANA Language Subtag Registry to Version 2022-03-02

[Goetz Lindenmaier]

I backport this for parity with 11.0.19-oracle.

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Commit messages:
 - Backport 19f4f229849e8c19ba20b6875b3c2d25c71e7142

Changes: https://git.openjdk.org/jdk11u-dev/pull/1647/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1647&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8267038
  Stats: 281 lines in 2 files changed: 271 ins; 2 del; 8 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1647.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1647/head:pull/1647

PR: https://git.openjdk.org/jdk11u-dev/pull/1647