Bump to async test utilities 2.2

Author: WyriHaximus

composer.json

@@ -18,14 +18,14 @@
         "react-parallel/event-loop": "^1.0",
         "react/event-loop": "^1.1",
         "react/promise": "^2.7",
-        "wyrihaximus/async-test-utilities": "^2.0.0-alpha2",
+        "wyrihaximus/async-test-utilities": "^2.2",
         "wyrihaximus/iterator-or-array-to-array": "^1.1",
         "wyrihaximus/pool-info": "^1.0"
     },
     "require-dev": {},
     "config": {
         "platform": {
-            "php": "7.4"
+            "php": "7.4.7"
         },
         "sort-packages": true
     },