Potential fix for code scanning alert no. 3: Workflow does not contain permissions (#18)

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

Author: mfranzke

.github/workflows/ci.yml

@@ -8,6 +8,8 @@ on:
 
 jobs:
   test:
+    permissions:
+      contents: read
     name: Test
     runs-on: ubuntu-24.04