Add a GitHub Action for processing Coding Standards configuration files

apply-configuration/action.yml

@@ -0,0 +1,24 @@
+name: Applies Coding Standard configuration files in the repository
+description: |
+  Installs Python and indexes the CodeQL Coding Standard configuration files in the repository
+
+runs:
+  using: composite
+  steps:
+    - name: Install Python
+      id: cs-install-python
+      uses: actions/setup-python@v5
+      with:
+        python-version: 3.9
+        update-environment: false
+    - name: Install dependencies and process files
+      shell: bash
+      run: |
+        install_dir=$(dirname $(dirname "${{ steps.cs-install-python.outputs.python-path }}"))
+        if [[ -z "$LD_LIBRARY_PATH" ]]; then
+          export LD_LIBRARY_PATH="$install_dir/lib"
+        else
+          export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$install_dir/lib"
+        fi
+        ${{ steps.cs-install-python.outputs.python-path }} -m pip install -r ${GITHUB_ACTION_PATH}/../scripts/configuration/requirements.txt
+        ${{ steps.cs-install-python.outputs.python-path }} ${GITHUB_ACTION_PATH}/../scripts/configuration/process_coding_standards_config.py