docs: Update docs/workflows.rst [skip ci]
docs: Update docs/workflows.rst [skip ci]

Co-Authored-By: Chris Markiewicz <985f67effdb40e64a0270743b2fa0fb4d285bc9c@gmail.com>
poldracklab/fmriprep,poldracklab/preprocessing-workflow,oesteban/fmriprep,oesteban/fmriprep,poldracklab/fmriprep,oesteban/fmriprep,poldracklab/preprocessing-workflow,poldracklab/fmriprep