chore: Move to GitHub action from Probot for stale issue/pr management

.github/workflows/stale.yml

@@ -0,0 +1,31 @@
+name: "Close Stale PRs"
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "30 1 * * *"
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v5
+        with:
+          stale-pr-message: "This PR is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 5 days"
+          stale-issue-message: "This issue is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 5 days"
+          close-pr-message: "Automatically closed due to inactivity"
+          close-issue-message: "Automatically closed due to inactivity"
+          days-before-issue-stale: 120
+          days-before-pr-stale: 60
+          days-before-close: 5
+          operations-per-run: 60
+          stale-issue-label: stale
+          stale-pr-label: stale
+          exempt-issue-labels:
+            - security
+            - pinned
+      - name: Print outputs
+        run: echo ${{ join(steps.stale.outputs.*, ',') }}