update stale bot (#4205)
update stale bot (#4205)

* update stale bot

* Apply suggestions from code review

Co-authored-by: chaton <5f50a84c1fa3bcff146405017f36aec1a10a9e38@grid.ai>

* Apply suggestions from code review

Co-authored-by: Rohit Gupta <cb3c4569854e7764e66b4cfd98eab60a0e5fb067@gmail.com>

* Apply suggestions from code review

Co-authored-by: chaton <5f50a84c1fa3bcff146405017f36aec1a10a9e38@grid.ai>
Co-authored-by: Rohit Gupta <cb3c4569854e7764e66b4cfd98eab60a0e5fb067@gmail.com>
williamFalcon/pytorch-lightning,williamFalcon/pytorch-lightning