Update dependencies

Author: sebastianbergmann

composer.json

@@ -37,11 +37,11 @@
         "phpunit/php-file-iterator": "^2.0.6",
         "phpunit/php-text-template": "^1.2.1",
         "phpunit/php-timer": "^2.1.4",
-        "sebastian/comparator": "^3.0.5",
+        "sebastian/comparator": "^3.0.6",
         "sebastian/diff": "^3.0.6",
         "sebastian/environment": "^4.2.5",
         "sebastian/exporter": "^3.1.6",
-        "sebastian/global-state": "^3.0.5",
+        "sebastian/global-state": "^3.0.6",
         "sebastian/object-enumerator": "^3.0.5",
         "sebastian/resource-operations": "^2.0.3",
         "sebastian/type": "^1.1.5",