Add Laravel 8 compatibility (#35)

Author: avvertix

.github/workflows/ci.yml

@@ -16,7 +16,10 @@ jobs:
       fail-fast: true
       matrix:
         php: [7.2, 7.3, 7.4]
-        laravel: ["6.0" , "6.*", "7.0", "7.*"]
+        laravel: ["6.*", "7.0", "7.*", "8.*"]
+        exclude:
+          - laravel: "8.*"
+            php: 7.2
 
     steps:
     - uses: actions/checkout@v2

.travis.yml

@@ -6,19 +6,19 @@
     "type": "project",
     "require": {
         "php": ">=7.2.5",
-        "illuminate/auth": "6.*|7.*",
-        "illuminate/console": "6.*|7.*",
-        "illuminate/contracts": "6.*|7.*",
-        "illuminate/database": "6.*|7.*",
-        "illuminate/events": "6.*|7.*",
-        "illuminate/support": "6.*|7.*",
-        "illuminate/view": "6.*|7.*"
+        "illuminate/auth": "6.*|7.*|8.*",
+        "illuminate/console": "6.*|7.*|8.*",
+        "illuminate/contracts": "6.*|7.*|8.*",
+        "illuminate/database": "6.*|7.*|8.*",
+        "illuminate/events": "6.*|7.*|8.*",
+        "illuminate/support": "6.*|7.*|8.*",
+        "illuminate/view": "6.*|7.*|8.*"
     },
     "require-dev": {
         "fzaninotto/faker": "~1.9.1",
         "mockery/mockery": "^1.3.1",
         "phpunit/phpunit": "^8.5|^9.0",
-        "orchestra/testbench": "^4.0|^5.0"
+        "orchestra/testbench": "^4.0|^5.0|^6.0"
     },
     "autoload": {
         "classmap": [
@@ -40,6 +40,8 @@
         "preferred-install": "dist",
         "sort-packages": true
     },
+    "minimum-stability": "dev",
+    "prefer-stable": true,
     "extra": {
         "brach-alias": {
             "dev-master": "0.8.x-dev"