fix(ci): add workflow lint harness

.gitea/workflows/ci_lint.yml

@@ -0,0 +1,33 @@
+name: CI Workflow Lint
+
+on:
+  pull_request:
+    branches: [ main ]
+    paths:
+      - ".gitea/workflows/ci.yml"
+      - "tools/validate_gitea_ci_workflow_lint_v1.py"
+  push:
+    branches: [ main ]
+    paths:
+      - ".gitea/workflows/ci.yml"
+      - "tools/validate_gitea_ci_workflow_lint_v1.py"
+  workflow_dispatch:
+
+jobs:
+  validate-ci-workflow-lint:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout Code
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+
+    - name: Setup Python Environment
+      run: |
+        /usr/bin/python3 --version
+        /usr/bin/python3 -m pip --version
+        /usr/bin/python3 -m pip install --disable-pip-version-check --quiet pyyaml
+
+    - name: Lint CI Workflow Contract
+      run: python3 tools/validate_gitea_ci_workflow_lint_v1.py --workflow .gitea/workflows/ci.yml