XS✔ ◾ Issue read is needed as well for private repos (#25)

Issue read is needed as well for private repos

Even though we are not deleting by default, the action still reads the issues
https://github.com/actions/stale

Currently failing on a private repo on a client project

.github/workflows/pr-manage-stale.yml

@@ -11,13 +11,11 @@ on:
 
 permissions:
   contents: read
+  issues: read
   pull-requests: write
 
 jobs:
   review-reminder:
-    permissions:
-      contents: read
-      pull-requests: write
 
     runs-on: ubuntu-latest