Chore: Housekeeping tasks (#721)

- End point to return api version
- Move agent bot listener to sync dispatcher
- gem update

app/controllers/api_controller.rb

@@ -0,0 +1,8 @@
+class ApiController < ApplicationController
+  skip_before_action :set_current_user, only: [:index]
+  skip_before_action :check_subscription, only: [:index]
+
+  def index
+    render json: { version: Chatwoot.config[:version], timestamp: Time.now.utc.to_formatted_s(:db) }
+  end
+end

app/dispatchers/async_dispatcher.rb

@@ -9,7 +9,7 @@ class AsyncDispatcher < BaseDispatcher
   end
 
   def listeners
-    listeners = [AgentBotListener.instance, EmailNotificationListener.instance, ReportingListener.instance, WebhookListener.instance]
+    listeners = [EmailNotificationListener.instance, ReportingListener.instance, WebhookListener.instance]
     listeners << EventListener.instance
     listeners << SubscriptionListener.instance if ENV['BILLING_ENABLED']
     listeners

app/dispatchers/sync_dispatcher.rb

@@ -5,6 +5,6 @@ class SyncDispatcher < BaseDispatcher
   end
 
   def listeners
-    [ActionCableListener.instance]
+    [ActionCableListener.instance, AgentBotListener.instance]
   end
 end