Bump phpunit/phpunit.

Author: altin7m

composer.json

@@ -32,7 +32,7 @@
         "monolog/monolog": "^1.12||^2.0||^3.2"
     },
     "require-dev": {
-        "phpunit/phpunit" : "^7 || ^8 || ^9",
+        "phpunit/phpunit" : "^7 || ^8 || ^9 || ^10",
         "laravel/laravel": "^5.6 || ^6 || ^7 || ^8 || ^9 || ^10 || ^11",
         "phpstan/phpstan": "^1.4",
         "wdes/coding-standard": "^3.2"