* gnu/packages/bioinformatics.scm (r-mutationalpatterns): Update to 3.0.1. [native-inputs]: Add r-knitr. [propagated-inputs]: Add r-bsgenome, r-dplyr, r-ggalluvial, r-magrittr, r-purrr, r-stringr, r-tibble, and r-tidyr; remove r-reshape2 and r-summarizedexperiment.