Update omv-ci.yml

Author: pgleeson

.github/workflows/omv-ci.yml

@@ -14,22 +14,20 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ 3.8, 3.9 ]
+        python-version: [ 3.9, "3.12" ]
         engine: 
           - jNeuroML_validate
           # - "NEURON:7.8.2"  # slightly different spike times...
-          - "NEURON:8.0.0"
-          - "NEURON:8.0.2"
-          - "NEURON:8.1"
+          - "NEURON:8.2.6"
           - jNeuroML
           - jNeuroML_NEURON
           - jNeuroML_NetPyNE
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python  ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version:  ${{ matrix.python-version }}