Actualize composer dependencies

composer.json

@@ -5,7 +5,6 @@
     "license": "MIT",
     "keywords": [ "graphql", "railt", "symfony", "bundle", "adapter", "bridge" ],
     "homepage": "http://railt.org",
-    "version": "dev-master",
     "support": {
         "issues": "https://github.com/railt/railt/issues",
         "source": "https://github.com/railt/railt"
@@ -18,22 +17,21 @@
     ],
     "require": {
         "php": ">=7.1",
-        "railt/railt": "1.2.*|dev-master",
-        "symfony/framework-bundle": "~3.0|~4.0",
-        "symfony/console": "~3.0|~4.0",
-        "symfony/dependency-injection": "~3.0|~4.0"
+        "railt/railt": "1.3.*|dev-master",
+        "symfony/framework-bundle": "~3.4|~4.0",
+        "symfony/console": "~3.4|~4.0",
+        "symfony/dependency-injection": "~3.4|~4.0"
     },
     "autoload": {
         "psr-4": {
             "Railt\\SymfonyBundle\\": "src/"
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "~6.1",
-        "symfony/yaml": "~3.0|~4.0",
-        "symfony/validator": "~3.0|~4.0",
-        "symfony/property-info": "~3.0|~4.0",
-        "sensio/framework-extra-bundle": "~3.0"
+        "phpunit/phpunit": "^6.5",
+        "symfony/yaml": "~3.4|~4.0",
+        "symfony/validator": "~3.4|~4.0",
+        "symfony/property-info": "~3.4|~4.0"
     },
     "autoload-dev": {
         "psr-4": {