Enable tests for Python 3.7 and 3.8

Author: maarten-ic

.github/workflows/test_with_pytest.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]  # Test on multiple Python versions
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]  # Test on multiple Python versions
 
     steps:
       - name: Checkout repository