Change stale issues management to GitHub Actions

.github/workflows/stale.yml

@@ -0,0 +1,34 @@
+name: 'Close stale issues and PRs'
+on:
+  schedule:
+    - cron: '0 4 * * *'
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v3
+        with:
+          debug-only: true
+          close-issue-message: >
+            This issue has been automatically closed due to lack of activity. In an
+            effort to reduce noise, please do not comment any further. Note that the
+            core maintainers may elect to reopen this issue at a later date if deemed
+            necessary.
+          close-pr-message: >
+            This PR has been automatically closed due to lack of activity.
+          days-before-stale: 45
+          days-before-close: 15
+          exempt-issue-labels: "status: accepted,status: blocked,status: needs milestone"
+          remove-stale-when-updated: false
+          stale-issue-label: 'pending closure'
+          stale-issue-message: >
+            This issue has been automatically marked as stale because it has not had
+            recent activity. It will be closed if no further activity occurs. NetBox
+            is governed by a small group of core maintainers which means not all opened
+            issues may receive direct feedback. Please see our [contributing guide](https://github.com/netbox-community/netbox/blob/develop/CONTRIBUTING.md).
+          stale-pr-label: "pending closure"
+          stale-pr-message: >
+            This PR has been automatically marked as stale because it has not had
+            recent activity. It will be closed automatically if no further action is
+            taken.