Merge pull request #1162 from Magisus/stale-bot

(RK-364) Switch to `actions/stale`

.github/workflows/stale.yml

@@ -0,0 +1,19 @@
+name: Mark stale issues
+
+on:
+  schedule:
+  - cron: "30 1 * * *"
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/stale@v3
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        days-before-stale: 60
+        days-before-close: 7
+        stale-issue-message: 'This issue has been marked stale because it has had no activity for 60 days. The Puppet Team is actively prioritizing existing bugs and new features, if this issue is still important to you please comment and we will add this to our backlog to complete. Otherwise, it will be closed in 7 days.'
+        stale-issue-label: 'stale'
+        stale-pr-message: "This PR has been marked stale because it has had no activity for 60 days. If you are still interested in getting this merged, please comment and we'll try to move it forward. Otherwise, it will be closed in 7 days."
+        stale-pr-label: 'stale'