Bump hadolint/hadolint-action from 2.0.0 to 2.1.0

Bumps [hadolint/hadolint-action](https://github.com/hadolint/hadolint-action) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/hadolint/hadolint-action/releases)
- [Changelog](https://github.com/hadolint/hadolint-action/blob/master/.releaserc)
- [Commits](hadolint/hadolint-action@v2.0.0...v2.1.0)

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

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

.github/workflows/validate.yml

@@ -17,6 +17,6 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Lint dockerfile
-        uses: hadolint/hadolint-action@v2.0.0
+        uses: hadolint/hadolint-action@v2.1.0
         with:
           dockerfile: Dockerfile