Create an issue on GitLab on every GitHub release

For every release on GitHub this workflow will create an issue on GitLab.

Copy workflow to your n8n Fill in missing fields (credentials & repo names)

Based on Cron node to be able to track github repos you're not a member of (as you won't be able to create a webhook). If you do own the repo, you could replace Cron & GH node with a GitHub Trigger.