Bump plotly from 5.3.0 to 5.3.1

Bumps [plotly](https://github.com/plotly/plotly.py) from 5.3.0 to 5.3.1.
- [Release notes](https://github.com/plotly/plotly.py/releases)
- [Changelog](https://github.com/plotly/plotly.py/blob/master/CHANGELOG.md)
- [Commits](plotly/plotly.py@v5.3.0...v5.3.1)

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

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

requirements-plot.txt

@@ -1,5 +1,5 @@
 # Include all requirements to run the bot.
 -r requirements.txt
 
-plotly==5.3.0
+plotly==5.3.1