fix: create authorization response type

swagger.json

@@ -239,10 +239,7 @@
             "content": {
               "application/json": {
                 "schema": {
-                  "type": "array",
-                  "items": {
-                    "$ref": "#/components/schemas/CreateAuthorizationResponse"
-                  }
+                  "$ref": "#/components/schemas/CreateAuthorizationResponse"
                 }
               }
             }