git: openjdk/jdk15u-dev: 8258795: Update IANA Language Subtag Registry to Version 2021-05-11

[Yuri Nesterenko]

Changeset: ee1cb081
Author:    Yuri Nesterenko <yan at openjdk.org>
Date:      2022-03-30 06:36:11 +0000
URL:       https://git.openjdk.java.net/jdk15u-dev/commit/ee1cb08142c37aa13156f45956a6451d058eee8e

8258795: Update IANA Language Subtag Registry to Version 2021-05-11

Backport-of: a259ab4a8d163ff924ba56c5da5395cec0d8c350

! make/data/lsrdata/language-subtag-registry.txt
= test/jdk/java/util/Locale/LanguageSubtagRegistryTest.java