fix(core-flows): createCustomerGroupsStep, delete created customer groups (#13056)

* fix: createCustomerGroupsStep rollback delete created customer groups instead of customers

* Create serious-seahorses-switch.md

---------

Co-authored-by: Carlos R. L. Rodrigues <37986729+carlos-r-l-rodrigues@users.noreply.github.com>

.changeset/serious-seahorses-switch.md

@@ -0,0 +1,5 @@
+---
+"@medusajs/core-flows": patch
+---
+
+fix(core-flows): createCustomerGroupsStep rollback delete created customer groups.

packages/core/core-flows/src/customer-group/steps/create-customer-groups.ts

@@ -35,6 +35,6 @@ export const createCustomerGroupsStep = createStep(
 
     const service = container.resolve<ICustomerModuleService>(Modules.CUSTOMER)
 
-    await service.deleteCustomers(createdCustomerGroupIds)
+    await service.deleteCustomerGroups(createdCustomerGroupIds)
   }
 )