Add CodeQL workflow to satisfy required code-scanning check

.github/workflows/codeql.yml

@@ -0,0 +1,37 @@
+name: CodeQL
+
+on:
+  push:
+    branches: ["**"]
+  pull_request:
+    branches: ["**"]
+  schedule:
+    # Weekly scan of the default branch, independent of any push/PR.
+    - cron: "0 6 * * 1"
+
+permissions:
+  contents: read
+  security-events: write
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  analyze:
+    name: Analyze (python)
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: python
+
+      - name: Perform CodeQL analysis
+        uses: github/codeql-action/analyze@v3
+        with:
+          category: "/language:python"