Merge pull request #2 from php-api-clients/dependabot/composer/api-clients/test-utilities-5.4.0

Bump api-clients/test-utilities from 4.3.0 to 5.4.0

Author: WyriHaximus

composer.json

@@ -18,7 +18,7 @@
   },
   "require-dev": {
     "api-clients/cs-fixer-config": "^1.1",
-    "api-clients/test-utilities": "^4.3.0",
+    "api-clients/test-utilities": "^5.4.0",
     "ringcentral/psr7": "^1.2"
   },
   "autoload": {