chore(ci): add stale issue automation

Author: vincentkoc

.github/workflows/stale.yml

@@ -0,0 +1,86 @@
+name: Stale
+
+on:
+  schedule:
+    - cron: "21 4 * * *"
+  workflow_dispatch:
+
+permissions: {}
+
+jobs:
+  stale:
+    permissions:
+      issues: write
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Mark stale unassigned issues and pull requests
+        uses: actions/stale@v10
+        with:
+          days-before-issue-stale: 14
+          days-before-issue-close: 7
+          days-before-pr-stale: 14
+          days-before-pr-close: 7
+          stale-issue-label: stale
+          stale-pr-label: stale
+          exempt-issue-labels: enhancement,maintainer,pinned,security,no-stale
+          exempt-pr-labels: maintainer,no-stale
+          operations-per-run: 1000
+          ascending: true
+          exempt-all-assignees: true
+          remove-stale-when-updated: true
+          stale-issue-message: |
+            This issue has been automatically marked as stale due to inactivity.
+            Please add updated gitcrawl details or it will be closed.
+          stale-pr-message: |
+            This pull request has been automatically marked as stale due to inactivity.
+            Please update it or it will be closed.
+          close-issue-message: |
+            Closing due to inactivity.
+            If this still affects gitcrawl, open a new issue with current reproduction details.
+          close-issue-reason: not_planned
+          close-pr-message: |
+            Closing due to inactivity.
+            If this PR should be revived, reopen it with current context and validation.
+
+      - name: Mark stale assigned issues
+        uses: actions/stale@v10
+        with:
+          days-before-issue-stale: 30
+          days-before-issue-close: 10
+          days-before-pr-stale: -1
+          days-before-pr-close: -1
+          stale-issue-label: stale
+          exempt-issue-labels: enhancement,maintainer,pinned,security,no-stale
+          operations-per-run: 1000
+          ascending: true
+          include-only-assigned: true
+          remove-stale-when-updated: true
+          stale-issue-message: |
+            This assigned issue has been automatically marked as stale after 30 days of inactivity.
+            Please add an update or it will be closed.
+          close-issue-message: |
+            Closing due to inactivity.
+            If this still affects gitcrawl, reopen or file a new issue with current evidence.
+          close-issue-reason: not_planned
+
+      - name: Mark stale assigned pull requests
+        uses: actions/stale@v10
+        with:
+          days-before-issue-stale: -1
+          days-before-issue-close: -1
+          days-before-pr-stale: 27
+          days-before-pr-close: 7
+          stale-pr-label: stale
+          exempt-pr-labels: maintainer,no-stale
+          operations-per-run: 1000
+          ascending: true
+          include-only-assigned: true
+          ignore-pr-updates: true
+          remove-stale-when-updated: true
+          stale-pr-message: |
+            This assigned pull request has been automatically marked as stale after being open for 27 days.
+            Please add an update or it will be closed.
+          close-pr-message: |
+            Closing due to inactivity.
+            If this PR should be revived, reopen it with current context and validation.