recent libcosmic update conflict Button::new() is private

[flukejones]

error[E0624]: associated function `new` is private
   --> src/app.rs:300:29
    |
300 |     cosmic::widget::Button::new(content)
    |                             ^^^ private associated function
    |
   ::: /home/luke/.cargo/git/checkouts/libcosmic-b367e32ffc370f4f/7abcec759101/src/widget/button/widget.rs:62:5
    |
62  |     pub(super) fn new(content: impl Into<crate::Element<'a, Message>>) -> Self {
    |     -------------------------------------------------------------------------- private associated function defined here

I think it needs to be cosmic::widget::button(content)?