Potential fix for code scanning alert no. 1: Workflow does not contain permissions (#10)

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

Author: jacklowrie

.github/workflows/main.yml

@@ -2,6 +2,8 @@
 # For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
 
 name: Main Branch QA
+permissions:
+  contents: read
 
 on:
   push: