Potential fix for code scanning alert no. 13: Workflow does not contain permissions

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

Author: mattdholloway

.github/workflows/ui-e2e.yml

@@ -12,6 +12,9 @@ on:
       - 'ui/**'
       - '.github/workflows/ui-e2e.yml'
 
+permissions:
+  contents: read
+
 jobs:
   test:
     name: Playwright E2E Tests