chore(deps): update dependency phpunit/phpunit to v11 (#87)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

composer.json

@@ -29,7 +29,7 @@
         "phpstan/phpstan": "^1.0.0",
         "phpstan/phpstan-phpunit": "^1.0.0",
         "phpstan/phpstan-strict-rules": "^1.0.0",
-        "phpunit/phpunit": "^10.3",
+        "phpunit/phpunit": "^11.0",
         "psr-mock/http": "^1.0",
         "thecodingmachine/phpstan-safe-rule": "^1.0"
     },