Fix "Resource not accessible by integration" for Delete Workflow

Author: sbernard31

.github/workflows/delete_workflow.yml

@@ -7,6 +7,8 @@ on:
 jobs:
   del_runs:
     runs-on: ubuntu-latest
+    permissions:
+      actions: write
     steps:
       - name: Delete workflow runs
         uses: Mattraks/delete-workflow-runs@c1a2f0de3fa4134a2357de83c92acff6e298bb8a