<i18n dev> RFR: 8331866: Add warnings for locale data dependence

[Naoto Sato]

In order to enlighten users to not depend on a particular version of the locale data, putting a note into the JDK vs. CLDR version chart would be appropriate.

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Commit messages:
 - initial commit

Changes: https://git.openjdk.org/jdk/pull/19145/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19145&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8331866
  Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/19145.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19145/head:pull/19145

PR: https://git.openjdk.org/jdk/pull/19145