Update py versions

Author: pgleeson

.github/workflows/omv-ci.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ 3.9, "3.10" ]
+        python-version: [ "3.10", "3.13" ]
         engine:
            - jNeuroML
            - jNeuroML_NEURON
@@ -36,8 +36,6 @@ jobs:
       run: |
         pip install git+https://github.com/OpenSourceBrain/osb-model-validation
         pip install scipy sympy matplotlib cython pandas tables
-
-        pip install 'numpy<=1.23.0' # see https://github.com/OpenSourceBrain/osb-model-validation/issues/91
         
     - name: Run OMV tests on engine ${{ matrix.engine }} & additional tests 
       run: |