Rename .github folder to .gitea

.github/workflows/lint-and-security.yml

@@ -1,29 +0,0 @@
-name: Lint & Security
-
-on:
-  pull_request:
-
-jobs:
-  precommit-and-security:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.13"
-
-      - name: Install pre-commit
-        run: pip install pre-commit
-
-      - name: Run pre-commit hooks
-        uses: pre-commit/action@v3.0.1
-
-      - name: Install pip-audit
-        run: pip install pip-audit
-
-      - name: Run pip-audit
-        run: pip-audit