add to vara migrations

Author: vobradovich

runtime/vara/src/migrations.rs

@@ -27,6 +27,8 @@ pub type Migrations = (
     pallet_grandpa::migrations::MigrateV4ToV5<Runtime>,
     // move allocations to a separate storage item and remove pages_with_data field from program
     pallet_gear_program::migrations::allocations::MigrateAllocations<Runtime>,
+    // move voucher permissions to a separate struct
+    pallet_gear_voucher::migrations::voucher_permissions::VoucherPermissionsMigration<Runtime>,
 );
 
 mod staking {