Update omv-ci.yml

Author: pgleeson

.github/workflows/omv-ci.yml

@@ -27,10 +27,10 @@ jobs:
           ]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python  ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}