docs(Tabs): return text node in custom label example (#6403)
docs(Tabs): return text node in custom label example (#6403)

Co-authored-by: TJ Egan <c8acf1a1b30b778f72fed9891301ce12a56d096c@gmail.com>
carbon-design-system/carbon-components,carbon-design-system/carbon-components,carbon-design-system/carbon-components