feat: Automatically close stale issues

.github/close_stale_issues.yml

@@ -0,0 +1,28 @@
+name: 'Close stale issues'
+on:
+  schedule:
+    - cron: '0 8 * * *'
+
+jobs:
+  stale:
+    if: github.repository == 'edgardmessias/glpi-singlesignon'
+    permissions:
+      issues: write  # for actions/stale to close stale issues
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v9
+        with:
+          stale-issue-message: >-
+            There has been no activity on this issue for some time and therefore it is considered stale
+            and will be closed automatically in 10 days.
+            
+            
+            If this issue is related to a bug, please try to reproduce on latest release. If the problem persist,
+            feel free to add a comment to revive this issue.
+          days-before-issue-stale: 60
+          days-before-pr-stale: -1 # PR will be marked as stale manually.
+          days-before-close: 10
+          exempt-issue-labels: "bug,enhancement,question,security" # Issues with "bug", "enhancement", "question" or "security" labels will not be marked as stale
+          exempt-all-milestones: true # Do not check issues/PR with defined milestone.
+          ascending: true # First check older issues/PR.
+          operations-per-run: 750 # Max API calls per run.