Fixes module name

Author: gurkanindibay

.github/workflows/code-coverage.yml

@@ -50,4 +50,4 @@ jobs:
         run: python -m pip install -r packaging_automation/requirements.txt
 
       - name: Run code coverage
-        run: python -m pytest --cov=packaging_automation packaging_automation/tests/test_update_pgxn.py
+        run: python -m pytest --cov=packaging_automation packaging_automation/tests/