Naturally, there will be times when `updatebot` runs and there are no
changes to make, because the deployed applications are already
up-to-date. In this scenario, we need to avoid making empty commits and
attempting to create a PR with no changes.
The `repo.branch` configuration setting controls the branch of the
repote repository to check out. It is also used as the target
branch name for the Gitea pull request.
Updatebot