update deps

src/main.rs

@@ -39,7 +39,10 @@ fn main() -> Result<(), Box<dyn Error>> {
     return Ok(());
 }
 
-fn run_app<B: Backend>(terminal: &mut Terminal<B>, app: &mut App) -> io::Result<bool> {
+fn run_app<B: Backend>(terminal: &mut Terminal<B>, app: &mut App) -> io::Result<bool>
+where
+    std::io::Error: From<<B as Backend>::Error>,
+{
     loop {
         terminal.draw(|f| ui(f, app))?;