Add check for stale bug issues

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

.github/workflow/stale.yml

@@ -0,0 +1,19 @@
+name: 'Close stale issues'
+on:
+    schedule:
+        -   cron: '* */2 * * *'
+
+jobs:
+    stale:
+        runs-on: ubuntu-latest
+        steps:
+            -   uses: actions/stale@v3
+                with:
+                    days-before-stale: 28
+                    days-before-close: 14
+                    days-before-pr-close: -1
+                    only-labels: 'bug,needs info/discussion'
+                    stale-issue-message: 'This bug report did not receive an update in the last 4 weeks.
+                                        Please take a look again and update the issue with new details,
+                                        otherwise the issue will be automatically closed in 2 weeks. Thank you!'
+                    exempt-all-pr-milestones: true