Update plotly requirement from ==5.24.* to ==6.0.*

Updates the requirements on [plotly](https://github.com/plotly/plotly.py) to permit the latest version.
- [Release notes](https://github.com/plotly/plotly.py/releases)
- [Changelog](https://github.com/plotly/plotly.py/blob/master/CHANGELOG.md)
- [Commits](plotly/plotly.py@v5.24.0...v6.0.0)

---
updated-dependencies:
- dependency-name: plotly
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

example/requirements.txt

@@ -1,2 +1,2 @@
 pandas==2.2.*
-plotly==5.24.*
+plotly==6.0.*