Added codeql workflow.

Author: dlemstra

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,29 @@
+on:
+  workflow_dispatch:
+  schedule:
+  - cron: 0 6 * * *
+  push:
+    branches:
+    - main
+    paths:
+    - .github/workflows/codeql-analysis.yml
+
+name: codeql analysis
+permissions:
+  contents: read
+  security-events: write
+jobs:
+  actions:
+    name: CodeQL analysis (GitHub Actions)
+    runs-on: ubuntu-24.04
+
+    steps:
+    - uses: actions/checkout@v5
+
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v3
+      with:
+        languages: actions
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v3