* feat: create ToRestartAge helper function to calculate last restart age
* feat: add Last Restart column to pod view
* test: add TestPodLastRestart to pod tests
* test: add TestToRestartAge tests
* test: fix all initial row states on table tests
* chore: remove TestToRestartAge changes
* refactor: move LastRestart pod function to internal function
* refactor: update to new go 1.22 range over map syntax