ENH: Use updated MNI template
ENH: Use updated MNI template

ref https://github.com/poldracklab/niworkflows/pull/244

poldracklab/fmriprep,oesteban/fmriprep,oesteban/fmriprep,poldracklab/preprocessing-workflow,oesteban/preprocessing-workflow,oesteban/fmriprep,oesteban/preprocessing-workflow,poldracklab/fmriprep,poldracklab/preprocessing-workflow,poldracklab/fmriprep