Bumped component required version to 2.0.0-RC2

Author: damienflament

composer.json

@@ -12,7 +12,7 @@
     "require": {
         "php": "^5.6|^7.0",
         "symfony/framework-bundle": "^2.8|^3.0",
-        "symfony-cmf/routing-auto": "^2.0",
+        "symfony-cmf/routing-auto": "^2.0.0-RC2",
         "symfony-cmf/routing-bundle": "^1.2.0|^2.0",
         "aferrandini/urlizer": "1.0.*"
     },