Bump mszostok/codeowners-validator from v0.5.1 to v0.6.0 (#514)

Bumps [mszostok/codeowners-validator](https://github.com/mszostok/codeowners-validator) from v0.5.1 to v0.6.0.
- [Release notes](https://github.com/mszostok/codeowners-validator/releases)
- [Changelog](https://github.com/mszostok/codeowners-validator/blob/master/.goreleaser.yml)
- [Commits](mszostok/codeowners-validator@v0.5.1...2f6e3bb)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/codeowners_validator.yml

@@ -15,7 +15,7 @@ jobs:
       # Checks-out your repository, which is validated in the next step
       - uses: actions/checkout@v2
       - name: GitHub CODEOWNERS Validator
-        uses: mszostok/codeowners-validator@v0.5.1
+        uses: mszostok/codeowners-validator@v0.6.0
         with:
           checks: "files,owners,duppatterns"
           experimental_checks: "notowned"