Task: Send email via Gmail on workflow error

n8n workflow JSON:
{"nodes":[{"name":"Error Trigger","type":"n8n-nodes-base.errorTrigger","position":[450,300],"parameters":{},"typeVersion":1},{"name":"Gmail","type":"n8n-nodes-base.gmail","position":[650,300],"parameters":{"toList":["recipient@email.com"],"message":"=Workflow: {{$json[\"workflow\"][\"name\"]}}\nError: {{$json[\"execution\"][\"error\"][\"message\"]}}\nLast node executed: {{$json[\"execution\"][\"lastNodeExecuted\"]}}\nExecution URL: {{$json[\"execution\"][\"url\"]}}\nStacktrace:\n{{$json[\"execution\"][\"error\"][\"stack\"]}}","subject":"=n8n Workflow Failure:  {{$json[\"workflow\"][\"name\"]}}","resource":"message","additionalFields":{}},"credentials":{"gmailOAuth2":"TBD"},"typeVersion":1}],"connections":{"Error Trigger":{"main":[[{"node":"Gmail","type":"main","index":0}]]}}}