CLDR-18211 Update changes to MessageFormat and update copyright date · unicode-org/cldr@6ac3117

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

tools/cldr-code/src/test/java/org/unicode/cldr/unittest/LikelySubtagsTest.java#L558

(LikelySubtagsTest.java:558) Warning: Locales have 214 unexpected characters in main and/or aux: [҂״܀-܍०-९৲-৺੦-੯૰౦-౯໐-໙၀-၉၏႐-႙႞႟፠-፼᎐-᎙᠐-᠙꒐-꓆𞅏{a\:}{ch’}{e\:}{i\:}{k’}{o\:}{ts’}{tł’}{t’}{à\:}{á\:}{è\:}{é\:}{ì\:}{í\:}{ò\:}{ó\:}{ଅ\:}{ଆ\:}{ଏ\:}]

tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestAnnotations.java#L448

(TestAnnotations.java:448) Warning: Out of order: 🧔‍♀ (57700) woman: beard > 👩 (61200) woman

tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestAnnotations.java#L448

(TestAnnotations.java:448) Warning: Out of order: 👱‍♀ (66700) woman: blond hair > 👱‍♂ (67900) man: blond hair

tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestAnnotations.java#L448

(TestAnnotations.java:448) Warning: Out of order: 🫆 (347500) fingerprint > 🏻 (347600) light skin tone

tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestAttributeValues.java#L308

(TestAttributeValues.java:308) Warning: Skipping for keyboard3

tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestCLDRFile.java#L917