PHPStan 0.10 is stable

Author: ondrejmirtes

composer.json

@@ -9,7 +9,7 @@
 		"consistence/coding-standard": "^2.0.0",
 		"jakub-onderka/php-parallel-lint": "^0.9.2",
 		"phing/phing": "^2.16.0",
-		"phpstan/phpstan": "^0.10@dev",
+		"phpstan/phpstan": "^0.10",
 		"phpunit/phpunit": "^6.3",
 		"slevomat/coding-standard": "^3.3.0",
 		"symfony/process": "^3.4 || ^4.0"