Updated recipes for routing and twig.

config/packages/prod/routing.yaml

@@ -0,0 +1,3 @@
+framework:
+    router:
+        strict_requirements: null

config/packages/routing.yaml

@@ -1,4 +1,3 @@
 framework:
     router:
-        strict_requirements: ~
         utf8: true

config/packages/test/twig.yaml

@@ -0,0 +1,2 @@
+twig:
+    strict_variables: true

config/packages/twig.yaml

@@ -3,7 +3,7 @@ twig:
     debug: '%kernel.debug%'
     strict_variables: '%kernel.debug%'
     form_themes: ['bootstrap_4_horizontal_layout.html.twig', 'Form/extendedBootstrap4_layout.html.twig', 'Form/permissionLayout.html.twig' ]
-    exception_controller: ~
+    exception_controller: null
 
     paths:
         '%kernel.project_dir%/assets/css': css