Tagged through the following for use by CLDR:
- ed011f2... ICU-22247 remove historical mention of old versions
- a366190... ICU-22279 Fix invalid new Locale in testing
- 57e4b0c... ICU-22299 deprecate redundant UnicodeSet.CASE
- e5854c8... ICU-22265 Update PersonNameFormatter and its associated classes so that the behavior matches that of the PersonNameFormatter in CLDR.