Move doctrine migrations away from src

Author: rosier

config/packages/doctrine_migrations.yaml

@@ -1,5 +1,5 @@
 doctrine_migrations:
-    dir_name: '%kernel.project_dir%/src/Migrations'
+    dir_name: '%kernel.project_dir%/migrations'
     # namespace is arbitrary but should be different from App\Migrations
     # as migrations classes should NOT be autoloaded
     namespace: DoctrineMigrations

config/services.yaml

@@ -23,7 +23,7 @@ services:
     # this creates a service per class whose id is the fully-qualified class name
     App\:
         resource: '../src/*'
-        exclude: '../src/{DependencyInjection,Entity,Migrations,Tests,Kernel.php}'
+        exclude: '../src/{DependencyInjection,Entity,Tests,Kernel.php}'
 
     # controllers are imported separately to make sure services can be injected
     # as action arguments even if you don't extend any base controller class