Fix CI by calling shell init
MODIFY
repo2docker/buildpacks/conda/activate-conda.sh
repo2docker/buildpacks/conda/activate-conda.sh
# enable conda and activate the notebook environment
-export MAMBA_EXE="/tmp/bin/micromamba"
+/tmp/bin/micromamba shell init -s bash -p ${CONDA_DIR}
export MAMBA_ROOT_PREFIX="/srv/conda"
CONDA_PROFILE="${CONDA_DIR}/etc/profile.d/mamba.sh"
test -f $CONDA_PROFILE && . $CONDA_PROFILE

Fix CI by calling shell init