Update plotly requirement in /topic/machine-learning/automl

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@jupyterlab-plotly-v1.0.0-alpha.3...v5.20.0)

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

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

topic/machine-learning/automl/requirements.txt

@@ -1,7 +1,7 @@
 # Real.
 crate[sqlalchemy]
 mlflow-cratedb==2.10.2
-plotly<5.20
+plotly<5.21
 pycaret[models,parallel,test]==3.3.0
 pydantic<2
 python-dotenv<2