Potential fix for code scanning alert no. 29: Workflow does not contain permissions

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

Author: vitalyster

.github/workflows/main.yml

@@ -5,6 +5,8 @@ on:
   push:
     branches: [master]
 
+permissions:
+  contents: read
 jobs:
   linux-glibc:
     runs-on: ubuntu-latest