CI(CodeQL): Run all analysis concurrently, but don't build for python

.github/workflows/codeql-analysis.yml

@@ -17,16 +17,17 @@ on:
     - cron: 36 18 * * 6
 
 permissions: {}
-concurrency:
-  group: ${{ github.workflow }}-${{ github.job }}-${{
-    github.event_name == 'pull_request' &&
-    github.head_ref || github.sha }}
-  cancel-in-progress: true
 
 jobs:
   analyze:
     name: Analyze
 
+    concurrency:
+      group: ${{ github.workflow }}-${{
+        github.event_name == 'pull_request' &&
+        github.head_ref || github.sha }}-${{ matrix.language }}
+      cancel-in-progress: true
+
     runs-on: ubuntu-22.04
     permissions:
       # required for all workflows
@@ -36,6 +37,13 @@ jobs:
       actions: read
       contents: read
 
+    strategy:
+      fail-fast: false
+      matrix:
+        language:
+          - c-cpp
+          - python
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
@@ -48,6 +56,7 @@ jobs:
             .github/workflows/python_requirements.txt
             .github/workflows/optional_requirements.txt
       - name: Install non-Python dependencies
+        if: ${{ matrix.language == 'c-cpp' }}
         run: |
           sudo apt-get update -y
           sudo apt-get install -y wget git gawk findutils
@@ -66,7 +75,7 @@ jobs:
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
         with:
-          languages: c-cpp,python
+          languages: ${{ matrix.language }}
           config-file: ./.github/codeql/codeql-config.yml
           setup-python-dependencies: false
 
@@ -83,10 +92,13 @@ jobs:
           echo "MAKEFLAGS=-j$(nproc)" >> $GITHUB_ENV
 
       - name: Build
+        if: ${{ matrix.language == 'c-cpp' }}
         env:
           CFLAGS: -std=gnu11
           CXXFLAGS: -std=c++11
         run: .github/workflows/build_ubuntu-22.04.sh "${HOME}/install"
 
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@v3
+        with:
+          category: "/language:${{matrix.language}}"