laravel 9 support (#49)

Author: saqueib

composer.json

@@ -22,13 +22,13 @@
  }
  ],
  "require": {
- "php": ">=7.3.0",
- "laravel/framework": "~5.4.0|~5.5.0|~5.6.0|~5.7.0|~5.8.0|^6.0|^7.0|^8.0"
+ "php": "^7.3|^8.0",
+ "laravel/framework": "~5.4.0|~5.5.0|~5.6.0|~5.7.0|~5.8.0|^6.0|^7.0|^8.0|^9.0"
  },
  "require-dev": {
- "orchestra/testbench": "~3.8|^4.0",
+ "orchestra/testbench": "~3.8|^4.0|^5.0|^7.0",
  "mockery/mockery": "^0.9.4 || ~1.0",
- "phpunit/phpunit": "~8.5"
+ "phpunit/phpunit": "~8.5|^9.0"
  },
  "autoload": {
  "psr-4": {