RFR: JDK-8327631: Update IANA Language Subtag Registry to Version 2024-03-07

[Naoto Sato]

On Thu, 7 Mar 2024 23:31:46 GMT, Justin Lu <jlu at openjdk.org> wrote:

> Please review this PR which is a trivial update to the IANA sub tag registry to version 2024-03-07. Tests pass as expected after update.
> 
> Associated announcement -> https://mm.icann.org/pipermail/ietf-languages-announcements/2024-March/000090.html

LGTM

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Marked as reviewed by naoto (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/18159#pullrequestreview-1925720318