chore: add stale github action for issues and prs

Author: hashemix

.github/workflows/stale.yml

@@ -0,0 +1,31 @@
+name: Mark stale issues and pull requests
+
+on:
+  schedule:
+    - cron: "0 0 * * *" # Runs daily at midnight UTC
+  workflow_dispatch: # Allow manual trigger
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/stale@v9
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          ascending: true
+          stale-issue-message: "This issue is stale because it has been open 30 days with no activity. It will close in 7 days unless additional input is provided. If you believe this issue is still relevant, please leave a comment or provide updated details. Thank you. (This is an automated message)"
+          stale-pr-message: "This PR is stale because it has been open 90 days with no activity. It will close in 15 days unless additional input is provided. (This is an automated message)"
+          close-issue-message: "This issue was closed because it has been stalled for 37 days with no activity."
+          close-pr-message: "This PR was closed because it has been stalled for 105 days with no activity."
+          days-before-issue-stale: 30
+          days-before-pr-stale: 90
+          days-before-issue-close: 5
+          days-before-pr-close: 15
+          remove-pr-stale-when-updated: true
+          remove-issue-stale-when-updated: true
+          stale-issue-label: "stale"
+          stale-pr-label: "stale"
+          exempt-issue-labels: "roadmap,security"
+          exempt-pr-labels: "work-in-progress,wip"
+          operations-per-run: 300