Bump ghe-actions/dockerfile-validator from 1 to 5

Bumps [ghe-actions/dockerfile-validator](https://github.com/ghe-actions/dockerfile-validator) from 1 to 5.
- [Release notes](https://github.com/ghe-actions/dockerfile-validator/releases)
- [Changelog](https://github.com/ghe-actions/dockerfile-validator/blob/master/CHANGELOG.md)
- [Commits](ghe-actions/dockerfile-validator@v1...v5)

---
updated-dependencies:
- dependency-name: ghe-actions/dockerfile-validator
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/dockerfile-validator.yml

@@ -14,7 +14,7 @@ jobs:
     - name: Check out code into the Go module directory
       uses: actions/checkout@v3
     - name: Verify Dockerfile
-      uses: ghe-actions/dockerfile-validator@v1
+      uses: ghe-actions/dockerfile-validator@v5
       with:
         dockerfile: 'Dockerfile'
         lint: 'dockerlint'