observability: convert Repo Updater dashboard to generated (!9667) · Merge requests · Warren Gifford / sourcegraph

Created by: slimsag

This PR is stacked on top of #9662 (closed) -- please review that first.

This is a direct translation of the current Repo Updater dashboard and rules to the new generator.

Before:

After:

Note: the "Before" was taken on Sourcegraph.com which is why there is no datapoint there.

observability: convert Repo Updater dashboard to generated