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: bogdan

.github/workflows/ci.yml

@@ -1,4 +1,6 @@
 name: CI
+permissions:
+  contents: read
 on:
   - push
   - pull_request