Fix circular dependencies in migrator

src/orm/migrations/MigratorFactory.ts

@@ -4,7 +4,7 @@ import {
     PropertyDependency,
     isInstantiable,
     DEPENDENCY_KEYS_METADATA_KEY,
-    DEPENDENCY_KEYS_PROPERTY_METADATA_KEY, Instantiable, Injectable, Inject,
+    DEPENDENCY_KEYS_PROPERTY_METADATA_KEY, Instantiable, Injectable, Inject, FactoryProducer,
 } from '../../di'
 import {Collection, ErrorWithContext} from '../../util'
 import {Logging} from '../../service/Logging'
@@ -17,6 +17,7 @@ import {DatabaseMigrator} from './DatabaseMigrator'
  * and produces an instance of the configured session driver implementation.
  */
 @Injectable()
+@FactoryProducer()
 export class MigratorFactory extends AbstractFactory<Migrator> {
     @Inject()
     protected readonly logging!: Logging