Update deployment workflow with wider permissions for Vercel bot

Author: webstackdev

.github/workflows/deployment.yml

@@ -7,6 +7,12 @@ on:
     types:
       - completed
 
+permissions:
+  contents: write
+  pull-requests: write
+  issues: write
+  deployments: write
+
 jobs:
   verify-ci:
     name: Verify CI Results