chore(deps): update dependency phpunit/phpunit to v12 (#55)

---------

Co-authored-by: text-html-renovate[bot] <182508163+text-html-renovate[bot]@users.noreply.github.com>
Co-authored-by: Mathieu Rochette <[email protected]>

Author: text-html-renovate[bot]

composer.json

@@ -24,7 +24,7 @@
         "php": "^8.1"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.3",
+        "phpunit/phpunit": "^10.0|^11.0|^12.0",
         "phpspec/prophecy-phpunit": "^2.0",
         "squizlabs/php_codesniffer": "^3.6",
         "slevomat/coding-standard": "^8.0",