Potential fix for code scanning alert no. 1: Workflow does not contain permissions

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

Author: garricko

.github/workflows/apache-proxy.yaml

@@ -6,6 +6,9 @@ on:
       - master
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   deploy:
     runs-on: ubuntu-latest