change python version

Author: lauramurgatroyd

.github/workflows/conda_build_and_publish.yml

@@ -20,7 +20,7 @@ jobs:
 
       - uses: conda-incubator/setup-miniconda@v3
         with:
-          python-version: 3.7
+          python-version: 3.10
           mamba-version: "*"
           channels: conda-forge, ccpi
           conda-remove-defaults: "true"