Add release-monitoring.org automation

[captn3m0]

I looked at release-monitoring.org, the Anitya project by Fedora to track their dependencies. It has a very similar design to our monitoring system, with vastly more providers.

However, it still breaks down for complex cases (such as picking up stable versions of MariaDB), and more importantly doesn't offer release-dates as part of the API. The DB model only keeps track of the first date a version was seen, so its not that helpful for us.

Opening this issue in case we can think of any usecase down the line.