Increase the epsilon for Rect::approx_eq()
Increase the epsilon for Rect::approx_eq()

The default from the float-cmp crate is

        F64Margin {
            epsilon: f64::EPSILON,
            ulps: 4
        }

but it looks like we need a bigger epsilon...

Part-of: <https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/697>

GNOME/librsvg,GNOME/librsvg,GNOME/librsvg,GNOME/librsvg