Trigger stale workflow dry run safely

Author: mamoreau-devolutions

.github/workflows/stale.yml

@@ -1,12 +1,17 @@
 name: Stale Issue Triage
 
 on:
+  push:
+    branches: [ "stale-issues" ]
+    paths:
+      - '.github/workflows/stale.yml'
   schedule:
     - cron: '20 8 * * 1'
   workflow_dispatch:
 
 permissions:
-  issues: write
+  actions: read
+  issues: read
   pull-requests: read
 
 jobs: