Potential fix for code scanning alert no. 15: Workflow does not contain permissions

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

Author: Morgy93

.github/workflows/commitlint.yml

@@ -5,6 +5,8 @@ on: [push, pull_request]
 jobs:
   commitlint:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
       - uses: actions/checkout@v4
         with: