Potential fix for code scanning alert no. 1: Workflow does not contain permissions (#84)

* Potential fix for code scanning alert no. 1: Workflow does not contain permissions

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

* Update permissions in weekly-cleanup workflow

set permissions as described: https://github.com/actions/stale

* Update .github/workflows/weekly-cleanup.yml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 3 people

.github/workflows/weekly-cleanup.yml

@@ -8,6 +8,11 @@ on:
 jobs:
   stale:
     name: Destalinate!
+    permissions:
+      actions: write
+      #contents: write # only for delete-branch option
+      issues: write
+      pull-requests: write
     runs-on: ubuntu-latest
     steps:
       - name: Close stale issues and pull requests