Merge branch 'docs/fix/invalid_payload' into 'master'

fix(docs): invalid json build payload

See merge request gitlab-org/gitlab!82864

doc/user/project/integrations/webhook_events.md

@@ -1297,7 +1297,7 @@ Payload example:
     "id": 3,
     "name": "User",
     "email": "user@gitlab.com",
-    "avatar_url": "http://www.gravatar.com/avatar/e32bd13e2add097461cb96824b7a829c?s=80\u0026d=identicon",
+    "avatar_url": "http://www.gravatar.com/avatar/e32bd13e2add097461cb96824b7a829c?s=80\u0026d=identicon"
   },
   "commit": {
     "id": 2366,