Fixing deps on composer dev

Signed-off-by: RJ Garcia <ragboyjr@icloud.com>

Author: ragboyjr

composer.json

@@ -15,7 +15,7 @@
     },
     "require-dev": {
         "composer/composer": "^2.0",
-        "phpunit/phpunit": "^9.0",
+        "phpunit/phpunit": "^8.0 || ^9.0",
         "symfony/finder": "^5.1",
         "symfony/var-dumper": "^5.0",
         "vimeo/psalm": "^3.8"