ci: add stale issues workflow

.github/workflows/stale.yaml

@@ -0,0 +1,30 @@
+name: 'Close stale issues and PRs'
+on:
+ schedule:
+ - cron: '30 1 * * *'
+
+permissions:
+ issues: write
+
+jobs:
+ stale:
+ runs-on: ubuntu-latest
+ steps:
+ - uses: actions/stale@v9
+ with:
+ repo-token: ${{ github.token }}
+ days-before-issue-stale: 90
+ days-before-issue-close: 14
+ stale-issue-message: >
+ Thank you for contributing to the stencil repository!
+ This issue has been marked as stale since it has not had any activity in the last 90 days. It will be closed in the next 14
+ days unless any other activity occurs or one of the following labels is added: "lifecycle/frozen". Please reach out
+ to the triage team (`@jaredallard`) if you think this issue is still relevant or you are interested in getting the
+ issue resolved.
+ close-issue-message: >
+ This issue has been automatically closed due to inactivity. If you're still interested in pursuing this, please reach out
+ to the triage team (`@jaredallard`). Thanks!
+ stale-issue-label: 'lifecycle/stale'
+ exempt-issue-labels: 'lifecycle/frozen,status/backlog,status/in-progress,status/in-review'
+ close-issue-reason: "not_planned"
+ ascending: true