Bump dependencies for Laravel 9 (#137)

Author: laravel-shift

composer.json

@@ -3,7 +3,8 @@
     "description": "OneSignal Notifications driver",
     "homepage": "https://github.com/laravel-notification-channels/onesignal",
     "license": "MIT",
-    "authors": [{
+    "authors": [
+        {
             "name": "Marcel Pociot",
             "email": "[email protected]",
             "homepage": "http://marcelpociot.com"
@@ -14,26 +15,26 @@
             "homepage": "https://spatie.be"
         },
         {
-          "name": "Lukas Kämmerling",
-          "email": "[email protected]",
-          "homepage": "https://lukas-kaemmerling.de"
+            "name": "Lukas Kämmerling",
+            "email": "[email protected]",
+            "homepage": "https://lukas-kaemmerling.de"
         },
         {
-          "name": "David Llop",
-          "email": "[email protected]",
-          "homepage": "http://davidllop.com"
+            "name": "David Llop",
+            "email": "[email protected]",
+            "homepage": "http://davidllop.com"
         }
     ],
     "require": {
         "php": "^7.2.0|^8.0",
         "berkayk/onesignal-laravel": "^1.0.0",
-        "illuminate/notifications": "5.*|^6.0|^7.0|^8.0",
-        "illuminate/support": "5.*|^6.0|^7.0|^8.0"
+        "illuminate/notifications": "5.*|^6.0|^7.0|^8.0|^9.0",
+        "illuminate/support": "5.*|^6.0|^7.0|^8.0|^9.0"
     },
     "require-dev": {
         "mockery/mockery": "^1.3",
-        "orchestra/testbench": "^4.0|^5.0",
-        "phpunit/phpunit": "^8.0"
+        "orchestra/testbench": "^4.0|^5.0|^7.0",
+        "phpunit/phpunit": "^8.0|^9.5.10"
     },
     "autoload": {
         "psr-4": {