Update to stable2407 triggered by workflow_dispatch

runtime/src/lib.rs

@@ -3,6 +3,8 @@
 #[cfg(feature = "std")]
 include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
 
+extern crate alloc;
+use alloc::{vec, vec::Vec};
 use pallet_grandpa::AuthorityId as GrandpaId;
 use sp_api::impl_runtime_apis;
 use sp_consensus_aura::sr25519::AuthorityId as AuraId;
@@ -13,7 +15,6 @@ use sp_runtime::{
 	transaction_validity::{TransactionSource, TransactionValidity},
 	ApplyExtrinsicResult, MultiSignature,
 };
-use sp_std::prelude::*;
 #[cfg(feature = "std")]
 use sp_version::NativeVersion;
 use sp_version::RuntimeVersion;
@@ -370,7 +371,7 @@ impl_runtime_apis! {
 			Runtime::metadata_at_version(version)
 		}
 
-		fn metadata_versions() -> sp_std::vec::Vec<u32> {
+		fn metadata_versions() -> Vec<u32> {
 			Runtime::metadata_versions()
 		}
 	}