Summary: In certain environments cresting user slice takes a bit longer which causes user level systemd to fail, this diff force enables the linger before trying to enable/start the units.

Test Plan:
Manually created ubuntu universe with RF=3
Verified pause/resume

Reviewers: vkumar, nbhatia, nsingh

Reviewed By: nsingh

Differential Revision: https://phorge.dev.yugabyte.com/D43803