upgrade cargo dependencies

src/math_app.rs

@@ -12,7 +12,7 @@ use egui::{
 use egui_plot::Plot;
 
 use emath::{Align, Align2};
-use epaint::{Margin, Rounding};
+use epaint::Margin;
 use instant::Instant;
 use itertools::Itertools;
 use std::{io::Read, ops::BitXorAssign};
@@ -179,7 +179,7 @@ impl MathApp {
         fn decompress_fonts() -> epaint::text::FontDefinitions {
             let mut data = Vec::new();
             let _ =
-                ruzstd::StreamingDecoder::new(
+                ruzstd::decoding::StreamingDecoder::new(
                     &mut const {
                         include_bytes!(concat!(env!("OUT_DIR"), "/compressed_data")).as_slice()
                     },