Bump wyrihaximus/async-test-utilities from 5.0.11 to 5.0.16

Bumps [wyrihaximus/async-test-utilities](https://github.com/WyriHaximus/php-async-test-utilities) from 5.0.11 to 5.0.16.
- [Release notes](https://github.com/WyriHaximus/php-async-test-utilities/releases)
- [Commits](WyriHaximus/php-async-test-utilities@5.0.11...5.0.16)

---
updated-dependencies:
- dependency-name: wyrihaximus/async-test-utilities
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -13,7 +13,7 @@
         "react/cache": "^1.0.0"
     },
     "require-dev": {
-        "wyrihaximus/async-test-utilities": "^5.0.11"
+        "wyrihaximus/async-test-utilities": "^5.0.16"
     },
     "autoload": {
         "psr-4": {