Bump plotly from 4.14.3 to 5.0.0

Bumps [plotly](https://github.com/plotly/plotly.py) from 4.14.3 to 5.0.0.
- [Release notes](https://github.com/plotly/plotly.py/releases)
- [Changelog](https://github.com/plotly/plotly.py/blob/master/CHANGELOG.md)
- [Commits](https://github.com/plotly/plotly.py/compare/v4.14.3...v5.0.0)

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

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

requirements-plot.txt

@@ -1,5 +1,5 @@
 # Include all requirements to run the bot.
 -r requirements.txt
 
-plotly==4.14.3
+plotly==5.0.0