perf(derive): Reduce amount of generated code

Author: klensy

clap_derive/src/derives/args.rs

@@ -703,7 +703,7 @@ fn gen_parsers(
         Ty::Other => {
             quote_spanned! { ty.span()=>
                 #arg_matches.#get_one(#id)
-                    .ok_or_else(|| clap::Error::raw(clap::error::ErrorKind::MissingRequiredArgument, format!("The following required argument was not provided: {}", #id)))?
+                    .ok_or_else(|| clap::Error::raw(clap::error::ErrorKind::MissingRequiredArgument, concat!("The following required argument was not provided: ", #id)))?
             }
         }
     };