CI: Add CodeQL

.github/workflows/ci.yml

@@ -554,3 +554,32 @@ jobs:
           source esp-idf/export.sh
           cd extras/ci/espidf
           idf.py build
+
+  codeql:
+    name: CodeQL
+    runs-on: ubuntu-latest
+    needs: gcc
+
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v2
+      with:
+        languages: cpp
+
+    - name: Build
+      run: |
+        cmake -DCMAKE_BUILD_TYPE=Debug .
+        cmake --build .
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v2
+      with:
+        category: "/language:cpp"