Make Checkbox example with a hint work again

Author: koppen

demo/test/components/previews/checkbox_preview.rb

@@ -55,7 +55,7 @@ def disabled_checked_check_box
   # the checkbox component.
 
   def checkbox_with_helper_text
-    render(Flowbite::InputField::Checkbox.new(attribute: :confirmation, form: form, hint: "I agree with the terms and conditions."))
+    render(Flowbite::InputField::Checkbox.new(attribute: :confirmation, form: form, hint: {content: "I agree with the terms and conditions."}))
   end
 
   # @!endgroup

demo/test/components/previews/radio_button_preview.rb

@@ -50,7 +50,7 @@ def disabled_checked_radio_button
   # the checkbox component.
 
   def checkbox_with_helper_text
-    render(Flowbite::InputField::RadioButton.new(attribute: :state, form: form, value: "visible", hint: "I agree with the terms and conditions."))
+    render(Flowbite::InputField::RadioButton.new(attribute: :state, form: form, value: "visible", hint: {content: "I agree with the terms and conditions."}))
   end
 
   # @!endgroup