ci: adding yamllint action

New yamllint workflow to verify the test-spec.yml is valid

Signed-off-by: Sebastian Wezel <[email protected]>

Author: DatGizmo

.github/workflows/lint-yaml.yml

@@ -0,0 +1,20 @@
+---
+
+name: Lint yaml files
+
+on:
+  pull_request:
+    types: [push, opened, reopened, synchronized]
+    paths:
+      - '.github/test-spec.yml'
+
+jobs:
+  lintAllTheThings:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4
+      - name: yaml-lint
+        uses: ibiqlik/action-yamllint@2576378a8e339169678f9939646ee3ee325e845c  # v3.1.1
+        with:
+          file_or_dir: .github/test-spec.yml
+          config_file: .github/yamllint.yml

.github/yamllint.yml

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+extends: default
+
+ignore: |
+  *.md
+  CODEOWNERS
+  *.ini
+
+rules:
+  colons: disable
+  comments: disable
+  comments-indentation: disable
+  document-start: disable
+  line-length: disable
+  new-line-at-end-of-file: disable