Constant rustdoc::passes::non_autolinks::URL_REGEX

pub(in passes::non_autolinks) const URL_REGEX: &str = "https?://([-a-zA-Z0-9@:%._\\+~#=]{2,256}\\.)+[a-zA-Z]{2,63}\\b([-a-zA-Z0-9@:%_\\+.~#?&/=]*)";