The snapshot tests are failing due to different font rendering

[not-my-profile]

The following tests are failing for me:

    widget::align::tests::centered
    widget::align::tests::left
    widget::align::tests::right
    widget::button::tests::simple_button
    widget::checkbox::tests::simple_checkbox
    widget::flex::tests::flex_col_cross_axis_snapshots
    widget::flex::tests::flex_col_main_axis_snapshots
    widget::flex::tests::flex_row_cross_axis_snapshots
    widget::flex::tests::flex_row_main_axis_snapshots
    widget::label::tests::line_break_modes
    widget::label::tests::simple_label
    widget::label::tests::styled_label
    widget::portal::tests::button_list
    widget::sized_box::tests::label_box_no_size
    widget::sized_box::tests::label_box_with_size
    widget::split::tests::columns
    widget::split::tests::rows
    widget::textbox::tests::simple_textbox

And the .diff.png files all only show the text, e.g:

(I'm on Debian.)