Update gradio requirement from ==4.* to ==5.* in /framework/gradio

Updates the requirements on [gradio](https://github.com/gradio-app/gradio) to permit the latest version.
- [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:production
...

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

framework/gradio/requirements.txt

@@ -1,2 +1,2 @@
-gradio==4.*
+gradio==5.*
 sqlalchemy-cratedb==0.40.0