Added missing extra to "pip install"

Author: agronholm

.github/workflows/codeqa-test.yml

@@ -44,7 +44,7 @@ jobs:
         path: ~/.cache/pip
         key: pip-test-${{ matrix.python-version }}-${{ matrix.os }}
     - name: Install dependencies
-      run: pip install .[test] coveralls
+      run: pip install .[test,type_comments] coveralls
     - name: Test with pytest
       run: coverage run -m pytest
     - name: Upload Coverage