chore: add stale workflow

.github/workflows/stale.yml

@@ -0,0 +1,45 @@
+name: 'Close Stale Issues and PRs'
+
+on:
+  schedule:
+    # Runs at 01:30 UTC every day
+    - cron: '30 1 * * *'
+
+permissions:
+  # Need write access to issues and PRs to label/comment/close
+  issues: write
+  pull-requests: write
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    # Workspace for sharing data between steps (if needed in the future)
+    # Description: Shared workspace for stale issue/PR processing artifacts
+    steps:
+      - uses: actions/stale@v9
+        with:
+          # Comment to add when marking an issue as stale
+          stale-issue-message: >
+            This issue is stale because it has been open for 60 days with no activity. 
+            Remove the stale label or comment, otherwise this will be closed in 7 days.
+          # Comment to add when marking a PR as stale
+          stale-pr-message: >
+            This pull request is stale because it has been open for 60 days with no activity. 
+            Remove the stale label or comment, otherwise this will be closed in 7 days.
+          # Comment to add when closing an issue due to staleness
+          close-issue-message: >
+            This issue was closed because it has been inactive for 7 days after being marked as stale.
+          # Comment to add when closing a PR due to staleness
+          close-pr-message: >
+            This pull request was closed because it has been inactive for 7 days after being marked as stale.
+          # Number of days of inactivity before marking as stale
+          days-before-stale: 60
+          # Number of days of inactivity before closing a stale item
+          days-before-close: 7
+          # The label to apply when marking as stale
+          stale-issue-label: 'Stale'
+          stale-pr-label: 'Stale'
+          # Exempt items with these labels (comma-separated)
+          # exempt-issue-labels: 'pinned,security'
+          # exempt-pr-labels: 'pinned,security'
+          # You can add more exemptions or configurations here if needed