Merge pull request #2899 from pnuu/switch-to-miniforge

Switch from Mambaforge to Miniforge

.github/workflows/ci.yaml

@@ -38,11 +38,11 @@ jobs:
       - name: Setup Conda Environment
         uses: conda-incubator/setup-miniconda@v3
         with:
-          miniforge-variant: Mambaforge
           miniforge-version: latest
-          use-mamba: true
           python-version: ${{ matrix.python-version }}
           activate-environment: test-environment
+          mamba-version: "*"
+          channels: conda-forge
 
       - name: Set cache environment variables
         shell: bash -l {0}