Generated R files cause lintr error

The error is due to the comment inserted at the top of the file

[line_length_linter] Lines should not be more than 80 characters. This line is 83 characters.
# WARNING - Generated by {fusen} from dev/flat_gettingdata.Rmd: do not edit by hand

Solution is to disable it for this line through # nolint: line_length_linter.