version 3.10 <> version 3.1 - perhaps string is more approriate?

Author: tobixen

.github/workflows/ci.yaml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.9, 3.10, 3.11, 3.12, 3.13, 3.14]
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
     - name: Checkout repository