Bump plotly from 5.15.0 to 5.20.0 (#59)

Bumps [plotly](https://github.com/plotly/plotly.py) from 5.15.0 to 5.20.0.
- [Release notes](https://github.com/plotly/plotly.py/releases)
- [Changelog](https://github.com/plotly/plotly.py/blob/master/CHANGELOG.md)
- [Commits](plotly/plotly.py@v5.15.0...v5.20.0)

---
updated-dependencies:
- dependency-name: plotly
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

docs/requirements.txt

@@ -11,7 +11,7 @@ pydot==1.4.2
 graphviz==0.20.1
 astroquery==0.4.6
 boto3==1.28.7
-plotly==5.15.0
+plotly==5.20.0
 progressbar==2.5
 scikit-learn==1.3.0
 scikeras==0.11.0