Update Former version who support PHP 8.0

Author: tortuetorche

composer.json

@@ -33,7 +33,7 @@
         "phpunit/phpunit": "^8.2.3||~9.0",
         "mockery/mockery": "~1.3.3||^1.4.2",
         "orchestra/testbench": "~4.0||~5.0||~6.0",
-        "anahkiasen/former": "~4.5.0"
+        "anahkiasen/former": "~4.6.0"
     },
     "autoload": {
         "files": [