Toon resigns as gitlab database maintainer

Why is this change being made?

Since the transition to Gitaly I'm being less closely involved in the development process in gitlab-org/gitlab. Also the peer review load in gitlab-org/gitaly seems to be a lot bigger. Therefore the task of doing gitlab database reviews has become a real burden and too much to combine with my other duties.

I've set the 🔴 full time for a few weeks now, and it really has been helping me to focus on my job. But it's weird to have the circle there all the time and it also prevents Danger from picking me for GDK reviews. So with this change I'm making it official.

I'm sorry I'm leaving you, because I realize that increases the load on all of you, but I believe this is the honest thing to do. I'm happy to chat about it, so feel free to reach out.

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