add pallet_im_online::migration to Unreleased migrations (#7387)

* add pallet_im_online::migration to Unreleased migrations

refs https://github.com/paritytech/polkadot/pull/7309#issuecomment-1593030554

* ".git/.scripts/commands/fmt/fmt.sh"

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Co-authored-by: command-bot <>

polkadot/runtime/rococo/src/lib.rs

@@ -1623,7 +1623,10 @@ pub mod migrations {
 	}
 
 	/// Unreleased migrations. Add new ones here:
-	pub type Unreleased = (pallet_society::migrations::MigrateToV2<Runtime, (), ()>,);
+	pub type Unreleased = (
+		pallet_society::migrations::MigrateToV2<Runtime, (), ()>,
+		pallet_im_online::migration::v1::Migration<Runtime>,
+	);
 }
 
 /// Helpers to configure all migrations.