Mute failing test

Tracked in #41172

Author: alpar-t

x-pack/qa/smoke-test-watcher/src/test/resources/rest-api-spec/test/mustache/50_webhook_url_escaping.yml

@@ -1,5 +1,8 @@
 ---
 "Test url escaping with url mustache function":
+  - skip:
+        version: "all"
+        reason: "AwaitsFix https://github.com/elastic/elasticsearch/issues/41172"
   - do:
       cluster.health:
           wait_for_status: yellow