add cert_expires_at

enrollments-events/app/events/stopgap/set_subscription_covered.py

@@ -37,7 +37,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
             transact.update(
                 key=KeyPair(new_image['id'], '0'),
                 update_expr='SET subscription_covered = :subscription_covered, \
-                            updated_at = :now',
+                                 updated_at = :now',
                 expr_attr_values={
                     ':subscription_covered': True,
                     ':now': now_,