alter email in partner table and make it required

test/conftest.py

@@ -246,4 +246,4 @@ def test_client(fastapi_app):
 
 @pytest.fixture(scope="session")
 def geant_partner():
-    return create_partner(PartnerCreate(name="GEANT-TEST", partner_type=PartnerType.GEANT))
+    return create_partner(PartnerCreate(name="GEANT-TEST", partner_type=PartnerType.GEANT, email="goat-test@geant.org"))