Feat: Set the return value of the webhook to a string. #10427 (#11945)

### What problem does this PR solve?

Feat: Set the return value of the webhook to a string. #10427

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/agent/constant/index.tsx

@@ -1037,3 +1037,9 @@ export enum WebhookRequestParameters {
   Number = TypesWithArray.Number,
   Boolean = TypesWithArray.Boolean,
 }
+
+export enum WebhookStatus {
+  Testing = 'testing',
+  Live = 'live',
+  Stopped = 'stopped',
+}