update Carbon version

Author: achretien

.gitignore

@@ -4,6 +4,9 @@
 #phpstorm project files
 .idea/*
 
+vendor/
+composer.lock
+
 assets/*
 !assets/.gitignore
 protected/runtime/*

composer.json

@@ -13,9 +13,9 @@
     }
   ],
   "require": {
-    "yiisoft/yii2-queue": "~2.3.2",
-    "yiisoft/yii2-httpclient": "~2.0",
-    "nesbot/carbon": "^2.40"
+    "yiisoft/yii2-queue": "^2.0",
+    "yiisoft/yii2-httpclient": "^2.0",
+    "nesbot/carbon": "^2.0 | ^3.0"
   },
   "require-dev": {
     "roave/security-advisories": "dev-latest"
@@ -32,5 +32,10 @@
       "type": "composer",
       "url": "https://asset-packagist.org"
     }
-  ]
-}
+  ],
+  "config": {
+    "allow-plugins": {
+      "yiisoft/yii2-composer": true
+    }
+  }
+}