clippy: changes from nightly clippy

all of this is embeding teh var into teh format macro

src/commands/add_server.rs

@@ -76,8 +76,8 @@ pub async fn run(command: &CommandInteraction, ctx: &Context) -> String {
   match add_server(&db, ctx, &server_data).await {
     Ok(_) => {}
     Err(e) => {
-      println!("{:?}", e);
-      return format!("Failure to insert into Servers {:?}", server_data);
+      println!("{e:?}");
+      return format!("Failure to insert into Servers {server_data:?}");
     }
   }