I created this github project a while back to help with this exact issue. I shared it with the org when I left - not something I would normally do but my team definitely needed the laugh.

It will automatically reassign any jiras assigned to you to a random teammate.

It's named after a ridiculous email management sent where they needed all hands on deck (i.e. weekends) to get a project done.

https://github.com/jmathai/all-hands-on-deck