Updated dependencies

Author: kukulich

composer.json

@@ -12,7 +12,7 @@
 	"require-dev": {
 		"consistence/coding-standard": "^0.13",
 		"jakub-onderka/php-parallel-lint": "^0.9.2",
-		"phing/phing": "^2.14",
+		"phing/phing": "^2.16",
 		"phpstan/phpstan": "^0.6.3",
 		"phpunit/phpunit": "^6.0.1",
 		"satooshi/php-coveralls": "^1.0"