Windows CI - we need all of the extras?

Author: rocky

.github/workflows/windows.yml

@@ -31,6 +31,7 @@ jobs:
         python setup.py install
     - name: Test Mathics
       run: |
+        pip install -r requirements-extra.txt
         pip install -r requirements-dev.txt
         set PYTEST_WORKERS="-n3"
         make check