Set up an Action to automatically add new issues to project

[h-m-f-t]

Issue description

See title.

Acceptance criteria

• Use https://github.com/actions/add-to-project

Additional context

This can be done automatically, but only for one repo (and we're doing that on manage.get.gov).

We should also do this for dotgov-data and epplib.

Links to other issues

No response