reinstate conda updates in conda install script

Author: bhazelton

ci/install_conda.sh

@@ -12,8 +12,7 @@ if [[ ! $OS == 'macos-latest' ]]; then
   fi
 fi
 conda config --set always_yes yes --set changeps1 no
-# try commenting out the conda update call to see if it fixes issues on mac tests
-# conda update -q conda
+conda update -q conda
 conda info -a
 conda create --name=${ENV_NAME}  python=$PYTHON --quiet
 conda env update -n ${ENV_NAME} -f ci/${ENV_NAME}.yml