release-78.2
ICU-23057 Fixes names for the release artifacts
ICU-22606 Create full release from CI - workflow files
ICU-22921 Rename README.md in .github
ICU-22773 Migrate the CLDR conversion tool to Maven
ICU-22847 Migrate ADO pipelines to GHA
ICU-22482 Hash-pin GHA, add dependabot to keep them updated
ICU-23054 Fix copyright scanner; fix terms of use