Use "inferred" instead of "infered"

Author: ydah

lib/rspec/rails/matchers/action_cable/have_broadcasted_to.rb

@@ -159,7 +159,7 @@ def pubsub_adapter
           def check_channel_presence
             return if @channel.present? && @channel.respond_to?(:channel_name)
 
-            error_msg = "Broadcasting channel can't be infered. Please, specify it with `from_channel`"
+            error_msg = "Broadcasting channel can't be inferred. Please, specify it with `from_channel`"
             raise ArgumentError, error_msg
           end
         end