Add migration for substrate#14084

parachains/runtimes/contracts/contracts-rococo/src/contracts.rs

@@ -9,6 +9,8 @@ use frame_support::{
 use pallet_contracts::{
 	weights::SubstrateWeight, Config, DebugInfo, DefaultAddressGenerator, Frame, Schedule,
 };
+use pallet_contracts::migration::v12;
+
 pub use parachains_common::AVERAGE_ON_INITIALIZE_RATIO;
 
 // Prints debug output of the `contracts` pallet to stdout if the node is
@@ -48,5 +50,5 @@ impl Config for Runtime {
 	type MaxStorageKeyLen = ConstU32<128>;
 	type UnsafeUnstableInterface = ConstBool<true>;
 	type MaxDebugBufferLen = ConstU32<{ 2 * 1024 * 1024 }>;
-	type Migrations = ();
+	type Migrations = (v12::Migration<Runtime>,);
 }