minor #565 explicitly set framework.router.utf8 value in test kernel (jrushlow)

This PR was squashed before being merged into the 1.0-dev branch (closes #565).

Discussion
----------

explicitly set framework.router.utf8 value in test kernel

fixes `Since symfony/framework-bundle 5.1: Not setting the "framework.router.utf8" configuration option is deprecated, it will default to "true" in version 6.0.` deprecation warning in tests / ci

not intended to address any other deprecation's or fix/refactor other logic

Commits
-------

f22883f explicitly set framework.router.utf8 value in test kernel

Author: weaverryan

src/Test/MakerTestKernel.php

@@ -53,7 +53,12 @@ protected function configureRouting(RoutingConfigurator $routes)
 
     protected function configureContainer(ContainerBuilder $c, LoaderInterface $loader)
     {
-        $c->setParameter('kernel.secret', 123);
+        $c->loadFromExtension('framework', [
+            'secret' => 123,
+            'router' => [
+                'utf8' => true,
+            ],
+        ]);
     }
 
     public function getProjectDir()

tests/Doctrine/EntityRegeneratorTest.php

@@ -151,7 +151,13 @@ protected function configureRoutes(RouteCollectionBuilder $routes)
 
     protected function configureContainer(ContainerBuilder $c, LoaderInterface $loader)
     {
-        $c->setParameter('kernel.secret', 123);
+        $c->loadFromExtension('framework', [
+            'secret' => 123,
+            'router' => [
+                'utf8' => true,
+            ],
+        ]);
+
         $c->prependExtensionConfig('doctrine', [
             'dbal' => [
                 'driver' => 'pdo_sqlite',
@@ -200,7 +206,13 @@ protected function configureRoutes(RouteCollectionBuilder $routes)
 
     protected function configureContainer(ContainerBuilder $c, LoaderInterface $loader)
     {
-        $c->setParameter('kernel.secret', 123);
+        $c->loadFromExtension('framework', [
+            'secret' => 123,
+            'router' => [
+                'utf8' => true,
+            ],
+        ]);
+
         $c->prependExtensionConfig('doctrine', [
             'dbal' => [
                 'driver' => 'pdo_sqlite',