Potential fix for code scanning alert no. 4: Workflow does not contain permissions

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

Author: SachaMorard

.github/workflows/check.yml

@@ -72,6 +72,8 @@ jobs:
   test:
     name: cargo test
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable