<i18n dev> RFR: 8313702: Update IANA Language Subtag Registry to Version 2023-08-02

Thu Aug 3 18:48:30 UTC 2023

On Thu, 3 Aug 2023 16:31:01 GMT, Justin Lu <jlu at openjdk.org> wrote:

> Please review this PR which updates the IANA data from version 05-11-2023 to version [08-02-2023](https://mm.icann.org/pipermail/ietf-languages-announcements/2023-August/000088.html).
> 
> The contents of the update added variant subtag “blasl” to the language subtag registry.

Marked as reviewed by naoto (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/15142#pullrequestreview-1561671988