Update phpbench/phpbench requirement from 1.2.2 to 1.2.3

Updates the requirements on [phpbench/phpbench](https://github.com/phpbench/phpbench) to permit the latest version.
- [Release notes](https://github.com/phpbench/phpbench/releases)
- [Changelog](https://github.com/phpbench/phpbench/blob/master/CHANGELOG.md)
- [Commits](phpbench/phpbench@1.2.2...1.2.3)

---
updated-dependencies:
- dependency-name: phpbench/phpbench
  dependency-type: direct:development
...

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

composer.json

@@ -18,7 +18,7 @@
         "codedungeon/phpunit-result-printer": "^0.31.0",
         "ilexn/keep-a-change-log": "^2.0",
         "infection/infection": "^0.25.5",
-        "phpbench/phpbench": "1.2.2",
+        "phpbench/phpbench": "1.2.3",
         "phpstan/phpstan": "^1.2",
         "phpstan/phpstan-phpunit": "^1.0",
         "phpstan/phpstan-strict-rules": "^1.1",