build(deps-dev): update phpunit/phpunit requirement from ^9.6 || ^10 to ^11.5.7

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Diff for: composer.json

@@ -13,7 +13,7 @@
   "require-dev": {
     "doctrine/coding-standard": "^12",
     "phpstan/phpstan-phpunit": "^1.3",
-    "phpunit/phpunit": "^9.6 || ^10",
+    "phpunit/phpunit": "^11.5.7",
     "orchestra/testbench": "^v7.47.0 || ^8.13.0 || ^9.0.9",
     "roave/security-advisories": "dev-latest"
   },