chore(deps): bump softprops/action-gh-release from 2.0.8 to 2.2.1

Bumps [softprops/action-gh-release](https://github.com/softprops/action-gh-release) from 2.0.8 to 2.2.1.
- [Release notes](https://github.com/softprops/action-gh-release/releases)
- [Changelog](https://github.com/softprops/action-gh-release/blob/master/CHANGELOG.md)
- [Commits](softprops/action-gh-release@v2.0.8...v2.2.1)

---
updated-dependencies:
- dependency-name: softprops/action-gh-release
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yaml

@@ -17,7 +17,7 @@ jobs:
       - name: Build package
         run: nix build -L
       - name: Release
-        uses: softprops/action-gh-release@v2.0.8
+        uses: softprops/action-gh-release@v2.2.1
         if: startsWith(github.ref, 'refs/tags/')
         with:
           files: result/share/emacs/site-lisp/magit-file-icons.el