Title: #5602: [Backport][ipa-4-9] ccache_sweeper: Add gssproxy service
This PR was opened automatically because PR #5600 was pushed to master and backport to
ipa-4-9 is required.
To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/5602/head:pr5602
git checkout pr5602