Update Python version matrix in CI workflow

Author: pgleeson

.github/workflows/omv-ci.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "3.10", "3.12" ]
+        python-version: [ "3.12", "3.13" ]
         engine: [ jNeuroML_Brian2, jNeuroML, jNeuroML_NEURON, jNeuroML_NetPyNE, jNeuroML_EDEN, jNeuroML_validate, jNeuroML_PyNN_NEURON, Brian2 ]  # jNeuroML_Moose disable moose for now  
 
     steps: