chore(github): Auto close pending closure issues

.github/stale.yml

@@ -1,17 +0,0 @@
-# Number of days of inactivity before an issue becomes stale
-daysUntilStale: 180
-# Number of days of inactivity before a stale issue is closed
-daysUntilClose: 90
-# Issues with these labels will never be considered stale
-exemptLabels:
-  - pinned
-  - Bug
-# Label to use when marking an issue as stale
-staleLabel: stale
-# Comment to post when marking an issue as stale. Set to `false` to disable
-markComment: >
-  This issue has been automatically marked as stale because it has not had
-  recent activity. It will be closed if no further activity occurs. Thank you
-  for your contributions.
-# Comment to post when closing a stale issue. Set to `false` to disable
-closeComment: false

.github/workflows/auto_close.yml

@@ -0,0 +1,25 @@
+name: 'Auto-close marked issues'
+on:
+  schedule:
+    - cron: '30 1 * * *'
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v8
+        with:
+          # Issue closure message
+          close-issue-message: 'This issue has been closed due to no activity in over four weeks after having been marked as closure pending.'
+          # Issue close reason
+          close-issue-reason: not_planned
+          # Do not mark issues or PRs as stale automaticaly
+          days-before-stale: -1
+          # Close issue/PR if no activity for four weeks after closure pending warning
+          days-before-close: 28
+          # Do not auto close PRs
+          days-before-pr-close: -1
+          # Do not auto-close an issue if it is assigned to a milestone
+          exempt-all-issue-milestones: true
+          # Stale issue label
+          stale-issue-label: 'closing 🚪'