--help fails when length(info) > 1

[jmbarbone]

probably just needs a paste(collapse)

library(scribe)

ca <- command_args("--help")
ca$add_argument("bad", info = c("one", "two"))
ca$parse()
#> Error in apply(lines, 1L, format): dim(X) must have a positive length

^{Created on 2023-05-01 with reprex v2.0.2}