composer update

vendor/symfony/routing/composer.json

@@ -19,7 +19,7 @@
         "php": "^7.1.3"
     },
     "require-dev": {
-        "symfony/config": "~3.4|~4.0",
+        "symfony/config": "~4.2",
         "symfony/http-foundation": "~3.4|~4.0",
         "symfony/yaml": "~3.4|~4.0",
         "symfony/expression-language": "~3.4|~4.0",
@@ -28,7 +28,7 @@
         "psr/log": "~1.0"
     },
     "conflict": {
-        "symfony/config": "<3.4",
+        "symfony/config": "<4.2",
         "symfony/dependency-injection": "<3.4",
         "symfony/yaml": "<3.4"
     },
@@ -49,7 +49,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "4.1-dev"
+            "dev-master": "4.2-dev"
         }
     }
 }