refactor(external_data): rename corporation memberships route

tests/apps/external_data/test_api.py

@@ -91,7 +91,7 @@ class ExternalDataApiTest(APITestCase):
         self.assertEqual(arbitration_response.status_code, status.HTTP_200_OK)
         self.assertEqual(arbitration_response.data["count"], 1)
 
-    def test_information_security_registry_entries_filter(self):
+    def test_corporation_memberships_filter(self):
         InformationSecurityRegistryEntryFactory(
             organization=self.organization,
             presence_status="present",
@@ -102,7 +102,7 @@ class ExternalDataApiTest(APITestCase):
         )
 
         response = self.client.get(
-            f"/api/v1/security-registries/?organization={self.organization.id}"
+            f"/api/v1/corporation-memberships/?organization={self.organization.id}"
             "&presence_status=present"
         )