Merge pull request #23 from reactphp-parallel/renovate/phpunit

Update dependency wyrihaximus/async-test-utilities to ^10.3.0

Author: WyriHaximus

composer.json

@@ -25,7 +25,7 @@
   },
   "require-dev": {
     "react-parallel/pool-tests": "^5.1.0",
-    "wyrihaximus/async-test-utilities": "^10.2.0",
+    "wyrihaximus/async-test-utilities": "^10.3.0",
     "wyrihaximus/makefiles": "^0.6.0"
   },
   "autoload": {