chore: register tiki v2 migration and bump spec_version to 1_020_002

- Added pezpallet_tiki::migrations::v2::MigrateToV2 to People chain
  Migrations tuple (populates TikiHolder on upgrade)
- Bumped spec_version 1_020_001 -> 1_020_002 for both relay chain
  and People chain runtimes

pezkuwi/runtime/pezkuwichain/src/lib.rs

@@ -170,7 +170,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: alloc::borrow::Cow::Borrowed("pezkuwichain"),
 	impl_name: alloc::borrow::Cow::Borrowed("parity-pezkuwichain"),
 	authoring_version: 0,
-	spec_version: 1_020_001,
+	spec_version: 1_020_002,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 26,