Introduce migrations for inactive balances (#1943)

* Introduce migrations

* Introduce migrations

* Bump

Co-authored-by: joepetrowski <joe@parity.io>

cumulus/parachains/runtimes/testing/penpal/src/lib.rs

@@ -125,6 +125,9 @@ pub type UncheckedExtrinsic =
 /// Extrinsic type that has already been checked.
 pub type CheckedExtrinsic = generic::CheckedExtrinsic<AccountId, RuntimeCall, SignedExtra>;
 
+pub type Migrations =
+	(pallet_balances::migration::MigrateToTrackInactive<Runtime, xcm_config::CheckingAccount>,);
+
 /// Executive: handles dispatch to the various modules.
 pub type Executive = frame_executive::Executive<
 	Runtime,
@@ -132,6 +135,7 @@ pub type Executive = frame_executive::Executive<
 	frame_system::ChainContext<Runtime>,
 	Runtime,
 	AllPalletsWithSystem,
+	Migrations,
 >;
 
 /// Handles converting a weight scalar to a fee value, based on the scale and granularity of the