Bump gradio from 3.50.2 to 5.5.0 in the pip group

Bumps the pip group with 1 update: [gradio](https://github.com/gradio-app/gradio).


Updates `gradio` from 3.50.2 to 5.5.0
- [Release notes](https://github.com/gradio-app/gradio/releases)
- [Changelog](https://github.com/gradio-app/gradio/blob/main/CHANGELOG.md)
- [Commits](https://github.com/gradio-app/gradio/compare/[email protected]@5.5.0)

---
updated-dependencies:
- dependency-name: gradio
  dependency-type: direct:development
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <[email protected]>