Bump phpunit/phpunit from 9.5.28 to 10.2.3

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 9.5.28 to 10.2.3.
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/10.2.3/ChangeLog-10.2.md)
- [Commits](sebastianbergmann/phpunit@9.5.28...10.2.3)

---
updated-dependencies:
- dependency-name: phpunit/phpunit
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

composer.json

@@ -25,7 +25,7 @@
         "filp/whoops": "^2.1.12",
         "laminas/laminas-development-mode": "^3.1",
         "mezzio/mezzio-tooling": "^2.0",
-        "phpunit/phpunit": "^9.0.1",
+        "phpunit/phpunit": "^10.2.3",
         "roave/security-advisories": "dev-master",
         "squizlabs/php_codesniffer": "^3.3.2"
     },