chores: update stale config

sushantdhiman · sushantdhiman · commit 3bf8fee3e4f4 · 2020-06-22T11:09:46.000+05:30
diff --git a/.github/stale.yml b/.github/stale.yml
@@ -14,3 +14,4 @@ markComment: >
   for your contributions.
 # Comment to post when closing a stale issue. Set to `false` to disable
 closeComment: false
+staleLabel: stale
