run cargo fix for rust 2024 changes and rustfmt

Signed-off-by: June Clementine Strawberry <strawberry@puppygock.gay>

src/api/client/appservice.rs

@@ -1,5 +1,5 @@
 use axum::extract::State;
-use conduwuit::{err, Err, Result};
+use conduwuit::{Err, Result, err};
 use ruma::api::{appservice::ping, client::appservice::request_ping};
 
 use crate::Ruma;