feat: Add enable_widget option in Google Maps and additional grounding information (#31549)

* feat: Add enable_widget option in Google Maps and additional grounding information

PiperOrigin-RevId: 810967796

Source-Link: googleapis/googleapis@329ace5

Source-Link: googleapis/googleapis-gen@2fe3f41
Copy-Tag: eyJwIjoiZ29vZ2xlLWNsb3VkLWFpX3BsYXRmb3JtLXYxLy5Pd2xCb3QueWFtbCIsImgiOiIyZmUzZjQxNmE1MTBkOWM1NjQzOWRiMWI1NDRhMDE1MGM3NDA1YzQzIn0=

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]