chore(deps): Bump gradio from 3.48.0 to 5.9.1 in /backend/python/open…

…voice (#4514)

chore(deps): Bump gradio in /backend/python/openvoice

Bumps [gradio](https://github.com/gradio-app/gradio) from 3.48.0 to 5.9.1.
- [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]@5.9.1)

---
updated-dependencies:
- dependency-name: gradio
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

backend/python/openvoice/requirements.txt

@@ -11,7 +11,7 @@ cn2an==0.5.22
 numpy==1.22.0
 networkx==2.8.8
 jieba==0.42.1
-gradio==3.48.0
+gradio==5.9.1
 langid==1.1.6
 llvmlite==0.43.0
 setuptools