update to newer versions

[vitorn1234]

"require": {
    "php" : "^7.1.3|^8.0",
    "guzzlehttp/guzzle": "^6.3 || ^7.0.1",
    "illuminate/support": "~5.8 || ^6.0 || ^7.0 || ^8.0 || ^9.0",
    "illuminate/notifications": "~5.8 || ^6.0 || ^7.0 || ^8.0 || ^9.0"
},
"require-dev": {
    "phpunit/phpunit": "^7.5 || ^8.0 || ^9.0"
},