Continuous integration (CI) tools for Julia package registries, including registry consistency testing, automatic merging (automerge) of pull requests, and automatic TagBot triggers
Also updates tagbot, so we have the best chances of actually getting a tag.
When we register this, we can include these release notes:
* Turn off stdlib compat requirement ([#540](https://github.com/JuliaRegistries/RegistryCI.jl/pull/540))
* Adds label-reading support for author-approval workflow ([#539](https://github.com/JuliaRegistries/RegistryCI.jl/pull/539)) and overriding the name similarity check ([#536](https://github.com/JuliaRegistries/RegistryCI.jl/pull/536))
Also updates tagbot, so we have the best chances of actually getting a tag.
When we register this, we can include these release notes:
We should only tag after landing #539 and #541