OZG-6312 fix helm test

src/test/helm/deployment_env_test.yaml

@@ -152,4 +152,4 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: ozgcloud_notification_eingangsbestaetigung_replyAllowed
-            value: true
\ No newline at end of file
+            value: "true"
\ No newline at end of file