Merge pull request #2 from frowhy/patch-1

Update version sync with spatie/laravel-backup

Author: z-song

composer.json

@@ -15,7 +15,7 @@
         "php": ">=7.0.0",
         "laravel/framework": "5.5.*",
         "encore/laravel-admin": "1.5.*",
-        "spatie/laravel-backup": "5.5.*"
+        "spatie/laravel-backup": "^5.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~6.0",