Add stale bot for PR (#1094)
Add stale bot for PR (#1094)

* Add stale bot for PR

* Update .github/workflows/stale.yml

Co-authored-by: Nick Murphy <793d0c8d77c47b77e40a99c1766f3d93098ec058@cfa.harvard.edu>

Co-authored-by: Nick Murphy <793d0c8d77c47b77e40a99c1766f3d93098ec058@cfa.harvard.edu>
StanczakDominik/PlasmaPy