Bump phpunit/phpunit from 9.6.11 to 10.5.20

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 9.6.11 to 10.5.20.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/10.5.20/ChangeLog-10.5.md)
- [Commits](sebastianbergmann/phpunit@9.6.11...10.5.20)

---
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

@@ -24,7 +24,7 @@
         "php": "^8.2"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.6",
+        "phpunit/phpunit": "^9.6 || ^10.0",
         "friendsofphp/php-cs-fixer": "@stable"
     }
 }