[EDITOR-607] add workflow to close stale issues (labeled with waiting for feedback) (#615)

* add workflow to close stale issues (labeled with waiting for feedback)

* runs at 8:30 every monday, removed debug flag

Author: umbynos

.github/workflows/close-stale-issues.yml

@@ -0,0 +1,18 @@
+name: Close stale issues
+on:
+  schedule:
+    - cron:  '30 8 * * mon'
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v3
+        with:
+          stale-issue-message: 'This issue has been marked as stale because it has been open 14 days with no activity. Remove stale label or comment, otherwise it will be closed in 7 days '
+          close-issue-message: 'This issue has been closed becasue has been stale for 7 days. If you think this issue deserves some attention feel free to reopen it'
+          days-before-stale: 14
+          days-before-close: 7
+          days-before-pr-close: -1
+          only-labels: 'waiting for feedback'
+          debug-only: false