Allowing Carbon 2.0

Author: mmoreram

composer.json

@@ -12,7 +12,7 @@
         "php": ">=7.1",
         "ext-curl": "*",
         "symfony/event-dispatcher": "^3.4|^4.0",
-        "nesbot/carbon": "^1.22"
+        "nesbot/carbon": "^1.22|^2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^7.0.0",