Merge pull request #6 from php-api-clients/renovate/major-phpunit

Update dependency wyrihaximus/async-test-utilities to v8

Author: WyriHaximus

composer.json

@@ -13,7 +13,7 @@
         "api-clients/contracts": "^0.1"
     },
     "require-dev": {
-        "wyrihaximus/async-test-utilities": "^7.1"
+        "wyrihaximus/async-test-utilities": "^8"
     },
     "autoload": {
         "psr-4": {
@@ -27,9 +27,9 @@
     },
     "config": {
         "allow-plugins": {
-            "infection/extension-installer": true,
             "dealerdirect/phpcodesniffer-composer-installer": true,
-            "ergebnis/composer-normalize": true
+            "ergebnis/composer-normalize": true,
+            "infection/extension-installer": true
         },
         "platform": {
             "php": "8.2.13"