Merge pull request #196 from jalerson/add-channel-statuses

add missing statuses

Author: epels

src/MessageBird/Objects/Conversation/Channel.php

@@ -18,6 +18,10 @@ class Channel extends Base
     public const STATUS_DELETED = 'deleted';
     public const STATUS_INACTIVE = 'inactive';
     public const STATUS_PENDING = 'pending';
+    public const STATUS_UNAVAILABLE = 'unavailable';
+    public const STATUS_ACTION_REQUIRED = 'action_required';
+    public const STATUS_ACTIVATION_FAILED = 'activation_failed';
+    public const STATUS_NOT_VERIFIED = 'not_verified';
 
     /**
      * The unique ID generated by the MessageBird platform that identifies this