Upgrade to reflection-docblock 3

Author: dunglas

composer.json

@@ -18,7 +18,7 @@
     ],
     "require": {
         "php":                               "^5.3|^7.0",
-        "phpdocumentor/reflection-docblock": "~2.0",
+        "phpdocumentor/reflection-docblock": "~3.0",
         "sebastian/comparator":              "~1.1",
         "doctrine/instantiator":             "^1.0.2",
         "sebastian/recursion-context":       "~1.0"