Potential fix for code scanning alert no. 1: Workflow does not contain permissions

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

Author: joelbladt

.github/workflows/tests.yaml

@@ -9,6 +9,9 @@ on:
     - cron: '0 0 * * *'
   workflow_dispatch:
 
+permissions:
+  contents: write
+
 jobs:
   linux_tests:
     runs-on: ubuntu-latest