The hosted renovate service no longer supports Gitlab as a hosting platform. Apparently Gitlab added per-account api rate limiting that makes running renovate as bot imposible. All mentions of gitlab are already removed from the website. (Source)
We are now running renovate ourselves with Gitlab CI -> https://gitlab.com/newcubator/renovate-runner
Currently without automated onboarding!
In case no one has noticed it yet Renovate added stats about the updated packages. (Example)