workflows add stale.yml

Author: openvela-robot

.github/workflows/stale.yml

@@ -0,0 +1,11 @@
+name: 'Close stale issues and PR'
+on:
+  schedule:
+    - cron: '30 1 * * *'
+  workflow_dispatch: # 允许手动触发
+
+jobs:
+  stale:
+    uses: open-vela/public-actions/.github/workflows/stale.yml@trunk
+    secrets: inherit
+