run cargo fix for rust 2024 changes and rustfmt

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

src/api/client/unversioned.rs

@@ -1,6 +1,6 @@
 use std::collections::BTreeMap;
 
-use axum::{extract::State, response::IntoResponse, Json};
+use axum::{Json, extract::State, response::IntoResponse};
 use futures::StreamExt;
 use ruma::api::client::discovery::get_supported_versions;