Update dependency react-parallel/pool-tests to v5

Author: renovate[bot]

composer.json

@@ -25,7 +25,7 @@
         "wyrihaximus/ticking-promise": "^3.1"
     },
     "require-dev": {
-        "react-parallel/pool-tests": "^4.0.0",
+        "react-parallel/pool-tests": "^4.0.0 || ^5.0.0",
         "wyrihaximus/async-test-utilities": "^7.2"
     },
     "autoload": {