have to give up mamba for now

Author: kthyng

.github/workflows/test.yaml

@@ -30,9 +30,9 @@ jobs:
           key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('ci/environment-py${{ matrix.python-version }}.yml') }}
       - uses: conda-incubator/setup-miniconda@v2
         with:
-          mamba-version: "*" # activate this to build with mamba.
-          channels: conda-forge, defaults # These need to be specified to use mamba
-          channel-priority: true
+          # mamba-version: "*" # activate this to build with mamba.
+          # channels: conda-forge, defaults # These need to be specified to use mamba
+          # channel-priority: true
           environment-file: ci/environment-py${{ matrix.python-version }}.yml
 
           activate-environment: test_env_cmocean