update dependencies

Author: jerrell

composer.json

@@ -7,16 +7,16 @@
     "require": {
         "php": "^7.1.3",
         "fideloper/proxy": "^4.0",
-        "laravel/framework": "^6.0",
+        "laravel/framework": "^7.0",
         "laravel/helpers": "^1.2",
-        "laravel/tinker": "^1.0"
+        "laravel/tinker": "^2.0"
     },
     "require-dev": {
         "filp/whoops": "^2.0",
         "fzaninotto/faker": "^1.4",
         "mockery/mockery": "^1.0",
-        "nunomaduro/collision": "^2.0",
-        "phpunit/phpunit": "^7.0"
+        "nunomaduro/collision": "^4.1",
+        "phpunit/phpunit": "^8.5"
     },
     "autoload": {
         "classmap": [