Update to use help wanted instead of Accepting PRs (#19105)

Author: mhegazy

pull_request_template.md

@@ -3,7 +3,7 @@ Thank you for submitting a pull request!
 
 Here's a checklist you might find useful.
 [ ] There is an associated issue that is labelled
-  'Bug' or 'Accepting PRs' or is in the Community milestone
+  'Bug' or 'help wanted' or is in the Community milestone
 [ ] Code is up-to-date with the `master` branch
 [ ] You've successfully run `jake runtests` locally
 [ ] You've signed the CLA