fix failed CI jobs - next attempt at upgrading Larastan

Author: leob

composer.json

@@ -29,6 +29,7 @@
     "require-dev": {
         "mockery/mockery": "^1.2",
         "nunomaduro/larastan": "^2.2",
+        "orchestra/testbench": "^7.33.0",
         "pestphp/pest": "^1.0",
         "phpunit/phpunit": "^8.0|^9.0"
     },