Document Delete Merge Branches won't touch protected branches
Summary
"Delete merged branches" is not working
Steps to reproduce
Click "Delete merged branches", then show message "Merged branches are being deleted. This can take some time depending on the number of branches. Please refresh the page to see changes.". But after a long time (several days), the branches with label "merged" were still there.
Example Project
https://gitlab.com/siceberg/testGitlabFlow/
Output of checks
This bug happens on GitLab.com