Trying using conda instead of mamba for builds

Author: charlesbluca

.github/workflows/test.yml

@@ -219,7 +219,7 @@ jobs:
           # suffix for nightly package versions
           export VERSION_SUFFIX=`date +%y%m%d`
 
-          mamba build continuous_integration/recipe --no-anaconda-upload
+          conda build continuous_integration/recipe --no-anaconda-upload
       - name: Build and upload conda package
         if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' && github.repository == 'dask-contrib/dask-sql' }}
         shell: bash -l {0}
@@ -232,4 +232,4 @@ jobs:
           # set conda to upload after building
           conda config --set anaconda_upload yes
           
-          mamba build continuous_integration/recipe --label dev
+          conda build continuous_integration/recipe --label dev