Update composer.json

Author: pvsaintpe

composer.json

@@ -25,7 +25,7 @@
     "require-dev": {
         "phpunit/phpunit": "^7.3|^8.5|^9.4",
         "php-mock/php-mock": "^2.0",
-        "orchestra/testbench": "^3.8|^4.8|^5.7|^6.2",
+        "orchestra/testbench": "^3.8|^4.8|^5.7|^6.2|^7.0",
         "mockery/mockery": "^1.0",
         "mikey179/vfsstream": "^1.6",
         "umbrellio/code-style-php": "^1.0",