DO-1298 use python 3.11

Author: mmaharjan-ccdc

.github/workflows/build-conquest-python.yml

@@ -68,10 +68,10 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         if: ${{ needs.setup.outputs.python == 'python' }}
         with:
-          python-version: '3.9'
+          python-version: '3.11'
 
       - name: Set up Python environment
         run: |