Add Laravel 8 support

Author: shahvirag

.travis.yml

@@ -5,9 +5,8 @@ dist: xenial
 jobs:
   fast_finish: true
   include:
-    - php: 7.2
-      env: VERSIONS=--prefer-lowest
     - php: 7.3
+      env: VERSIONS=--prefer-lowest
     - php: 7.4
 
 before_install:

composer.json

@@ -21,8 +21,8 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.16",
-        "illuminate/console": "~6||~7",
-        "illuminate/support": "~6||~7",
+        "illuminate/console": "~6||~7||~8",
+        "illuminate/support": "~6||~7||~8",
         "phpunit/phpunit": "^8.0"
     },
     "autoload": {