OAS Update

Author: stackit-pipeline

services/object-storage/v2/object-storage.json

@@ -92,6 +92,7 @@
           "expires": {
             "description": "Expiration date. Null means never expires.",
             "example": "2020-09-04T00:00:00.000Z",
+            "nullable": true,
             "title": "Expires",
             "type": "string"
           },