Update rubocop requirement from ~> 0.63.0 to ~> 0.77.0 (#202)
Update rubocop requirement from ~> 0.63.0 to ~> 0.77.0 (#202)

Update rubocop requirement from ~> 0.63.0 to ~> 0.77.0

Co-authored-by: null <6a4c1c4838f800d1998274cd5234e1f65c55e90c@users.noreply.github.com>
olbrich/ruby-units