Update stalebot to take 5 actions per hour (#3922)

* Update stalebot to take 5 actions per hour

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

Author: dhruvmanila

.github/stale.yml

@@ -27,7 +27,7 @@ exemptAssignees: false
 staleLabel: stale
 
 # Limit the number of actions per hour, from 1-30. Default is 30
-limitPerRun: 30
+limitPerRun: 5
 
 # Comment to post when removing the stale label.
 # unmarkComment: >