update phpunit to fix deprecation schema on lowest packages

Author: sfmok

.gitignore

@@ -6,5 +6,4 @@
 .php-cs-fixer.cache
 .phpunit.result.cache
 coverage.xml
-.result
-flake.lock
+.result

composer.json

@@ -27,7 +27,7 @@
     "symfony/property-access": "^6.2|^7.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "^10.0",
+    "phpunit/phpunit": "^10.5",
     "symfony/framework-bundle": "^6.2|^7.0",
     "friendsofphp/php-cs-fixer": "^3.5",
     "phpstan/phpstan": "^1.9"