This branch is not used anymore. Please switch to the main branch reachable from here.
You may need to update your Git remotes (see the doc here).
If you used the default commands when initially cloning this repo, the following will likely suffice:
git remote remove origin
git remote add origin git@github.com:mautic/docker-mautic.git
If you need help, please read our contributor handbook where you can find us. =)