fix(minimal-webhook): Use response.status instead of response.statusCode

The native fetch API returns a Response object that has a 'status' property, not a 'statusCode' property. This commit fixes the error in the minimal-webhook function by using the correct property.

Author: google-labs-jules[bot]

Node-1st-gen/minimal-webhook/functions/index.js

@@ -32,7 +32,7 @@ exports.webhook = functions.database.ref('/hooks/{hookId}').onCreate(async (snap
   });
 
   if (!response.ok) {
-    throw new Error(`HTTP Error: ${response.statusCode}`);
+    throw new Error(`HTTP Error: ${response.status}`);
   }
   functions.logger.log('SUCCESS! Posted', snap.ref);
 });