Update Rust Edition to 2024 (#7766)

* #7749

Thanks @dknopik and @michaelsproul for your help!

validator_client/http_api/src/lib.rs

@@ -12,7 +12,7 @@ pub use api_secret::PK_FILENAME;
 use graffiti::{delete_graffiti, get_graffiti, set_graffiti};
 
 use create_signed_voluntary_exit::create_signed_voluntary_exit;
-use graffiti_file::{determine_graffiti, GraffitiFile};
+use graffiti_file::{GraffitiFile, determine_graffiti};
 use lighthouse_validator_store::LighthouseValidatorStore;
 use validator_store::ValidatorStore;
 
@@ -36,8 +36,8 @@ use eth2::lighthouse_vc::{
 };
 use health_metrics::observe::Observe;
 use lighthouse_version::version_with_platform;
-use logging::crit;
 use logging::SSELoggingComponents;
+use logging::crit;
 use parking_lot::RwLock;
 use sensitive_url::SensitiveUrl;
 use serde::{Deserialize, Serialize};
@@ -50,12 +50,12 @@ use std::sync::Arc;
 use sysinfo::{System, SystemExt};
 use system_health::observe_system_health_vc;
 use task_executor::TaskExecutor;
-use tokio_stream::{wrappers::BroadcastStream, StreamExt};
+use tokio_stream::{StreamExt, wrappers::BroadcastStream};
 use tracing::{info, warn};
 use types::{ChainSpec, ConfigAndPreset, EthSpec};
 use validator_dir::Builder as ValidatorDirBuilder;
 use validator_services::block_service::BlockService;
-use warp::{reply::Response, sse::Event, Filter};
+use warp::{Filter, reply::Response, sse::Event};
 use warp_utils::reject::convert_rejection;
 use warp_utils::task::blocking_json_task;
 
@@ -883,7 +883,7 @@ pub fn serve<T: 'static + SlotClock + Clone, E: EthSpec>(
                                 return convert_rejection::<Infallible>(Err(
                                     warp_utils::reject::custom_bad_request(e.to_string()),
                                 ))
-                                .await
+                                .await;
                             }
                         }
                     }