Potential fix for code scanning alert no. 26: Workflow does not contain permissions (#25525)

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

Author: kodster28

.github/workflows/semgrep.yml

@@ -3,6 +3,8 @@ on:
   schedule:
     - cron: "0 4 * * *"
 name: Semgrep config
+permissions:
+  contents: read
 jobs:
   semgrep:
     name: semgrep/ci