fix: restrict searchable_migration to v1 transformer supported regions

Author: sarayev

codebuild_specs/e2e_workflow.yml

@@ -544,7 +544,7 @@ batch:
         compute-type: BUILD_GENERAL1_SMALL
         variables:
           TEST_SUITE: src/__tests__/transformer-migrations/searchable-migration.test.ts
-          CLI_REGION: eu-north-1
+          CLI_REGION: ap-southeast-2
           USE_PARENT_ACCOUNT: 1
       depend-on:
         - publish_to_local_registry

scripts/split-e2e-tests.ts

@@ -178,7 +178,10 @@ const RUN_IN_COGNITO_REGIONS: (string | RegExp)[] = [
   /src\/__tests__\/AuthV2ExhaustiveT3C.test.ts/,
 ];
 
-const RUN_IN_V1_TRANSFORMER_REGIONS = ['src/__tests__/schema-searchable.test.ts'];
+const RUN_IN_V1_TRANSFORMER_REGIONS = [
+  'src/__tests__/schema-searchable.test.ts',
+  'src/__tests__/transformer-migrations/searchable-migration.test.ts',
+];
 
 const DEBUG_FLAG = '--debug';