ci workflow: add check for ga2cwl

.github/workflows/python-package.yml

@@ -29,7 +29,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
+    - name: Install
       run: |
         python -m pip install --upgrade pip
         pip install -e .
@@ -40,3 +40,19 @@ jobs:
     - name: Test
       run: |
         pytest -v test
+  check-ga2cwl:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.12
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.12'
+    - name: Install
+      run: |
+        python -m pip install --upgrade pip
+        pip install -e .[ga2cwl]
+        pip install pytest
+    - name: Test
+      run: |
+        pytest -v test