[ECO-1352] Reset cron scheduler and stale/close times back to normal …

…values and delete stale branches (#43)

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

@@ -5,8 +5,9 @@ jobs:
     steps:
     - uses: 'actions/stale@v9'
       with:
-        days-before-close: '1'
-        days-before-stale: '1'
+        days-before-close: '15'
+        days-before-stale: '45'
+        delete-branch: 'true'
         exempt-issue-labels: 'stale-exempt'
         exempt-pr-labels: 'stale-exempt'
         operations-per-run: '50' # This is to avoid Github API rate limiting.
@@ -21,8 +22,9 @@ jobs:
 name: 'Close stale issues and PRs'
 'on':
   schedule:
-  - cron: '*/5 0 * * *' # Cron scheduler syntax.
+  - cron: '0 0 * * *' # Cron scheduler syntax.
 permissions:
+  contents: 'write'
   issues: 'write'
   pull-requests: 'write'
 ...