Update GitHub Actions workflows. (#727)

This PR was automatically generated by the
update-workflows-ecosystem-providers workflow in the pulumi/ci-mgmt
repo, from commit 6693889d5ebbe0416302e06ac701da21580fbd2d.

Co-authored-by: Pulumi Bot <bot@pulumi.com>

.github/workflows/comment-on-stale-issues.yml

@@ -12,7 +12,7 @@ jobs:
     name: Stale issue job
     steps:
     # Workaround until https://github.com/aws-actions/stale-issue-cleanup/issues/385 is fixed
-    - uses: pose/stale-issue-cleanup@db44981197ae9cdada9a9c779c052439f9d62eac
+    - uses: pose/stale-issue-cleanup@04621e0eafc22d7bb8812c417325f35cc0ed0fce
       with:
         issue-types: issues # only look at issues (ignore pull-requests)