INFRA-3646 | move sev-4 members into sev-3 for every team (#443)

db/migration/000028_move_sev_4_members_into_sev_3.up.sql

@@ -24,4 +24,14 @@ WHERE ts_4.severity_id = 5
   AND ts_3.severity_id = 4
 ON CONFLICT DO NOTHING;
 
+DELETE
+FROM team_user_severity tus
+    USING team_severity ts
+WHERE tus.team_severity = ts.id
+  AND ts.severity_id = 5
+  AND tus.team_user IN (SELECT tus.team_user
+                        FROM team_user_severity tus
+                                 JOIN team_severity ts ON tus.team_severity = ts.id
+                        WHERE ts.severity_id = 5);
+
 COMMIT;