Bump hacs/action from 21.2.2 to 21.12.1

Bumps [hacs/action](https://github.com/hacs/action) from 21.2.2 to 21.12.1.
- [Release notes](https://github.com/hacs/action/releases)
- [Commits](https://github.com/hacs/action/compare/21.2.2...21.12.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
           npm run build
 
       - name: HACS build validation
-        uses: "hacs/action@21.2.2"
+        uses: "hacs/action@21.12.1"
         with:
           category: "plugin"