tests/int/cgroups.bats: exclude dmem controller - #4806

ℹ️ Scheduling was delayed due to a concurrency limit on community tasks

✅ 00:06 clone
✅ 01:44 install_dependencies
✅ 00:01 host_info
✅ 00:01 check_config
✅ 00:50 unit_tests
✅ 03:55 integration_systemd
✅ 03:06 integration_fs
✅ 03:34 integration_systemd_rootless
✅ 05:54 integration_fs_rootless