ci: Enable yamllint in Super-Linter (#19)

* ci: Enable yamllint in Super-Linter

Adds VALIDATE_YAML: true to the Super-Linter workflow to enable yamllint. Closes #18 #hacktoberfest

* Apply suggestion from @Copilot

Co-authored-by: Copilot <[email protected]>

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Co-authored-by: John Bampton <[email protected]>
Co-authored-by: Copilot <[email protected]>

Author: 3 people

.github/workflows/lint.yml

@@ -32,3 +32,4 @@ jobs:
           # To report GitHub Actions status checks
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           VALIDATE_MARKDOWN: true
+          VALIDATE_YAML: true