Release 2.21.0 (#5014)

config/packages/framework.yaml

@@ -7,6 +7,8 @@ framework:
     csrf_protection: true
     annotations: false
     handle_all_throwables: true
+    disallow_search_engine_index: true
+    set_content_language_from_locale: true
 
     serializer:
         enable_attributes: true

config/services_test.yaml

@@ -23,7 +23,3 @@ services:
     App\User\UserService:
         public: true
         arguments: ['@App\Repository\UserRepository', '@event_dispatcher', '@validator', '@App\Configuration\SystemConfiguration', '@security.user_password_hasher']
-
-    App\Plugin\PluginManager:
-        public: true
-        arguments: [!tagged kimai.plugin]