Added Laravel 8 support

README.md

@@ -1,7 +1,7 @@
 # Laravel Microsoft Graph Mail
 
 This package makes it easy to send emails from your personal, work or school account using Microsoft's Graph API,
-allowing you to benefit from HTTP instead of SMTP with Laravel 7.x.
+allowing you to benefit from HTTP instead of SMTP with Laravel.
 
 _Tested with different company (Microsoft 365 Business) accounts_
 
@@ -35,6 +35,16 @@ Valid values for `tenant` are your tenant identifier (work & school accounts) or
 **Note:** This package relies on [Laravel's Cache](https://laravel.com/docs/cache) interface for caching access tokens.
 Make sure to configure it properly, too!
 
+### Version
+
+The latest version is only compatible with Laravel 8.x. Use an older version if you didn't upgrade to Laravel 8 yet:
+
+| Package Version | Laravel Version |
+|-----------------|-----------------|
+| ^1.0            | 7.x             |
+| ^2.0            | 8.x             |
+
+
 ### Getting the credentials
 
 To get the necessary client ID and secret you'll need to register your application and grant it the required

composer.json

@@ -21,9 +21,9 @@
   "require": {
     "php": ">=7.4",
     "ext-json": "*",
-    "guzzlehttp/guzzle": "^6.5",
-    "illuminate/mail": "^7.0",
-    "illuminate/support": "^7.0"
+    "guzzlehttp/guzzle": "^7.0",
+    "illuminate/mail": "^8.0",
+    "illuminate/support": "^8.0"
   },
   "autoload": {
     "psr-4": {
@@ -38,7 +38,7 @@
   "require-dev": {
     "phpunit/phpunit": "^9.1",
     "mockery/mockery": "^1.3",
-    "orchestra/testbench": "^5.2"
+    "orchestra/testbench": "^6.0"
   },
   "scripts": {
     "test": "phpunit",