feat: close inactive issues (#9866)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: zzyyyl <aysyxx53@hotmail.com>

.github/workflows/stale.yml

@@ -0,0 +1,33 @@
+name: "Mark stale issues and pull requests"
+
+on:
+  schedule:
+    - cron: "0 0 * * *" # Runs daily at midnight
+  workflow_dispatch: # Allows manual triggering
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      # Completely disable stalling for PRs
+      pull-requests: none
+      contents: none
+    steps:
+      - name: Close inactive issues
+        uses: actions/stale@v9
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          days-before-stale: 30 # Number of days of inactivity before marking as stale
+          days-before-close: 3 # Number of days to wait after marking as stale before closing
+          stale-issue-label: "stale"
+          stale-issue-message: |
+            "This issue has been inactive for a prolonged period and will be closed automatically in 3 days."
+            "该问题已长时间处于闲置状态，3 天后将自动关闭。"
+          exempt-issue-labels: "keep-open, MAA Team"
+          # Completely disable stalling for PRs
+          days-before-pr-stale: -1
+          days-before-pr-close: -1
+
+          operations-per-run: 80
+          debug-only: true