test: https://github.com/conda-incubator/setup-miniconda?tab=readme-o…

…v-file#example-6-mamba

.github/workflows/gh-pages.yml

@@ -27,14 +27,22 @@ jobs:
         large-packages: true
         swap-storage: true
 
+    # - name: Setup Mambaforge Python 3.7
+    #   uses: conda-incubator/setup-miniconda@v2
+    #   with:
+    #     environment-file: environment.yml
+    #     miniforge-variant: Miniforge
+    #     activate-environment: arc_env
+    #     python-version: 3.7
+    #     use-mamba: true
+
     - name: Setup Mambaforge Python 3.7
-      uses: conda-incubator/setup-miniconda@v2
-      with:
-        environment-file: environment.yml
-        miniforge-variant: Miniforge
-        activate-environment: arc_env
-        python-version: 3.7
-        use-mamba: true
+      uses: conda-incubator/setup-miniconda@v3
+        with:
+          python-version: 3.7
+          mamba-version: "*"
+          activate-environment: anaconda-client-env
+          environment-file: environment.yml
 
     # - name: Update environment
     #   run: |