Potential fix for code scanning alert no. 7: Workflow does not contain permissions

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

Author: jazzsequence

.github/workflows/lint-test.yml

@@ -1,4 +1,6 @@
 name: Linting & Test
+permissions:
+  contents: read
 on: [push]
 jobs:
   validate-readme-spacing: