Upgrade stalebot and make testing it easier (#45350)

- adjust wording for the upcoming simplified process
- upgrade to the github action version that has a fix for configuring issue types the bot should look at
- add two inputs for the manual runs of stalebot that help testing it in a safe and controlled manner 

Release Notes:

- N/A
1ac170e663Lena committed on 12/19/2025, 11:46:20 AM· committed by GitHubparent3104482
1 file changedLine totals unavailable