[3.4] Allow 4.* deps

Author: nicolas-grekas

composer.json

@@ -19,14 +19,14 @@
         "php": ">=5.5.9"
     },
     "require-dev": {
-        "symfony/yaml": "~3.3|~4.0.0",
-        "symfony/config": "~2.8|~3.0|~4.0.0",
-        "symfony/property-access": "~2.8|~3.0|~4.0.0",
-        "symfony/http-foundation": "~2.8|~3.0|~4.0.0",
-        "symfony/cache": "~3.1|~4.0.0",
-        "symfony/property-info": "~3.1|~4.0.0",
+        "symfony/yaml": "~3.3|~4.0",
+        "symfony/config": "~2.8|~3.0|~4.0",
+        "symfony/property-access": "~2.8|~3.0|~4.0",
+        "symfony/http-foundation": "~2.8|~3.0|~4.0",
+        "symfony/cache": "~3.1|~4.0",
+        "symfony/property-info": "~3.1|~4.0",
         "doctrine/annotations": "~1.0",
-        "symfony/dependency-injection": "~3.2|~4.0.0",
+        "symfony/dependency-injection": "~3.2|~4.0",
         "doctrine/cache": "~1.0",
         "phpdocumentor/reflection-docblock": "~3.0"
     },