Use original syntax for inertia_share method to avoid a breaking change to users explicitly sending a hash into the method

Author: bknoles

lib/inertia_rails/controller.rb

@@ -14,7 +14,7 @@ module Controller
     end
 
     module ClassMethods
-      def inertia_share(**attrs, &block)
+      def inertia_share(attrs = {}, &block)
         @inertia_share ||= []
         @inertia_share << attrs.freeze unless attrs.empty?
         @inertia_share << block if block