Bump

Author: sebastianbergmann

composer.json

@@ -33,7 +33,7 @@
         "phpunit/php-token-stream": "^3.1.1",
         "phpunit/php-text-template": "^1.2.1",
         "sebastian/code-unit-reverse-lookup": "^1.0.1",
-        "sebastian/environment": "^4.2.2",
+        "sebastian/environment": "^5.0",
         "sebastian/version": "^3.0",
         "theseer/tokenizer": "^1.1.3"
     },