Update omv-ci.yml

Author: pgleeson

.github/workflows/omv-ci.yml

@@ -14,14 +14,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ 3.8, "3.10" ]
+        python-version: [ 3.9, "3.10" ]
         engine: [ jNeuroML_Brian2, jNeuroML, jNeuroML_NEURON, jNeuroML_NetPyNE, jNeuroML_EDEN, jNeuroML_validate, jNeuroML_PyNN_NEURON, Brian2, jNeuroML_Moose ]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Set up Python  ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v3
       with:
         python-version:  ${{ matrix.python-version }}