still need to add CI workflows for reusing `actions/stale`

[2bndy5]

We still need to add CI workflows to other org repos to call this new reusable workflow for actions/stale

Originally posted by @2bndy5 in #23 (comment)

[shenxianpeng]

I want to pick it up :)

[2bndy5]

Great! I keep forgetting about this. I did write a sample workflow in #22 description. Maybe that could be the starting point.