Update pytest.yml

Author: pgorecki

.github/workflows/pytest.yml

@@ -43,4 +43,4 @@ jobs:
         poetry run pytest src
       env:
         # The hostname used to communicate with the PostgreSQL service container
-        DATABASE_URL: postgresql://postgres:password@postgres:5432/test_db                
+        DATABASE_URL: postgresql://postgres:password@localhost:5432/test_db