[elasticsearch] Add errors.Forbidden (#35809)

https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/16.x/errors.html

types/elasticsearch/index.d.ts

@@ -1643,6 +1643,7 @@ export namespace errors {
     class ClientClosedRequest extends _Abstract {}
     class Conflict extends _Abstract {}
     class ExpectationFailed extends _Abstract {}
+    class Forbidden extends _Abstract {}
     class GatewayTimeout extends _Abstract {}
     class HTTPToHTTPS extends _Abstract {}
     class HTTPVersionNotSupported extends _Abstract {}