release-77-1
ICU-22922 BRS77 Fix version in release-icu4c-ubuntu.yml
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-22921 remove redundant PR checklist item