chore: refresh docs and adapt workflows for Gitea

.github/release-notes/v1.27.3.md

@@ -1,22 +1,20 @@
-FEATURES
+# v1.27.3
 
-- RELEASE
-    - Include English and Simplified Chinese README and CONTRIBUTING files in the release archives
-    - Use reviewed release notes in the publishing workflow
+This release completes the push-notification fix for Gitea 1.27.1–1.27.3. See the [compatibility matrix](https://gitea.kenanzhu.com/KenanZhu/GiteaMailTemplates/src/branch/main/COMPATIBILITY.md#compatibility-matrix) for recommended release combinations.
 
-BUGFIXES
+## Fixes
 
-- THEMES (Bloom, Ember, Heritage)
-    - Fix pull request push notification commit links and abbreviated hashes for Gitea 1.27.1–1.27.3 by reading `.UserCommit.GitCommit.ID`
-- CI
-    - Add a push notification regression test covering all 10 themes and run Go tests before packaging a release
+- Fix pull request push-notification links and abbreviated hashes in Bloom, Ember and Heritage by reading `.UserCommit.GitCommit.ID`.
+- Add a push-notification regression test covering all ten themes and run Go tests before packaging.
 
-DOCS
+## Packaging
 
-- Verify compatibility with Gitea 1.27.3; its mail templates, mailer, and locale files are unchanged from 1.27.2
-- Correct the compatibility matrix to distinguish the affected v1.27.2 archive from this fixed release
+- Include English and Simplified Chinese README and contributor guides in release archives.
+- Use reviewed release notes in the publishing workflow.
 
+## Documentation
 
----
+- Record compatibility with Gitea 1.27.3, whose mail templates, mailer and locale files are unchanged from 1.27.2.
+- Distinguish the affected v1.27.2 archive from the complete fix in this release.
 
-**Full Changelog:** [v1.27.2...v1.27.3](https://gitea.kenanzhu.com/KenanZhu/GiteaMailTemplates/compare/v1.27.2...v1.27.3)
+[Full changelog: v1.27.2…v1.27.3](https://gitea.kenanzhu.com/KenanZhu/GiteaMailTemplates/compare/v1.27.2...v1.27.3)