Make it possible to override required value that was set in the wrapper.

lib/simple_form/components/html5.rb

@@ -7,10 +7,10 @@ module SimpleForm
 
       def html5(wrapper_options = nil)
         @html5 = true
-        if has_required?
-          input_html_options[:required] = true
-          input_html_options[:'aria-required'] = true
-        end
+
+        input_html_options[:required]        = has_required?
+        input_html_options[:'aria-required'] = has_required? || nil
+
         nil
       end
 

test/inputs/required_test.rb

@@ -118,6 +118,7 @@ class RequiredTest < ActionView::TestCase
           concat f.input :name, required: false
         end
         assert_no_select 'input[type=text][required]'
+        assert_no_select 'input[type=text][aria-required]'
       end
     end
   end