[ci] Create workflow for closing stale issues #124

.github/workflows/close_stale_issues.yml

@@ -0,0 +1,24 @@
+name: 'Close stale issues'
+on: 
+  schedule:
+    # Runs everyday
+    - cron: '0 0 * * *'
+jobs:
+  close-stale:
+    permissions: 
+      issues: write
+    runs-on: ubuntu-latest
+    steps:
+        - uses: actions/stale@v9
+          with:
+            stale-issue-message: 'This issue is stale because it has been open 180 days with no activity. Remove stale label or comment or this will be closed in 14 days.'
+            close-issue-message: 'This issue was closed because it has been stalled for 14 days with no activity.'
+            days-before-stale: 180 # Mark as stale after 180 days of inactivity
+            days-before-close: 14  # Close issue if no activity after 14 days of being stale
+            days-before-pr-close: -1
+            # Issues with this label are exempt from being checked if they are stale
+            exempt-issue-labels: Low Priority
+            # Below are currently defaults, but given in case we decide to change
+            operations-per-run: 30           # This setting specifies the maximum number of operations (such as marking issues as stale or closing them) that the action will perform in a single run
+            stale-issue-label: Stale         # This setting defines the label that will be applied to issues that are considered stale
+            close-issue-reason: not_planned  # This setting specifies the reason that will be given when closing stale issues