Increase the daily stale issue action API call limit

Author: AmirhosseinPoolad

.github/workflows/stale.yml

@@ -20,6 +20,11 @@ jobs:
           # Start from the oldest issues
           ascending: true
 
+          # Upper limit for number of API calls per day
+          # This worklfow does 2-3 API calls per issue
+          # including issues that have been marked stale
+          operations-per-run: 300
+
           # The configuration below can be used to allow the same behaviour with PRs.
           # Since we currently don't want to close old PRs, it is commented out but 
           # left here in case we change our mind.