chore(meta): apply stale rules to pull only
diff --git a/.github/stale.yml b/.github/stale.yml
index cdce0ae..da15d32 100644
--- a/.github/stale.yml
+++ b/.github/stale.yml
@@ -23,3 +23,5 @@
     activity occurs, but it only takes a comment to keep a contribution alive
     :) Also, even if it is closed, you can always reopen the PR when you're
     ready. Thank you for contributing.
+
+only: pulls