Automatically marks PRs and issues stale (#7675)
Automatically marks PRs and issues stale (#7675)

Marks PRs and issues with the Stale tag and makes a comment on the PR and issue.
In debug mode for now.
duke8253/trafficserver,bryancall/trafficserver,vmamidi/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,pbchou/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,bryancall/trafficserver,bryancall/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,vmamidi/trafficserver,bryancall/trafficserver,bryancall/trafficserver,SolidWallOfCode/trafficserver,bryancall/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,pbchou/trafficserver,pbchou/trafficserver,pbchou/trafficserver,duke8253/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,duke8253/trafficserver