Bump coveralls from 3.3.0 to 3.3.1

Bumps [coveralls](https://github.com/TheKevJames/coveralls-python) from 3.3.0 to 3.3.1.
- [Release notes](https://github.com/TheKevJames/coveralls-python/releases)
- [Changelog](https://github.com/TheKevJames/coveralls-python/blob/master/CHANGELOG.md)
- [Commits](https://github.com/TheKevJames/coveralls-python/compare/3.3.0...3.3.1)

---
updated-dependencies:
- dependency-name: coveralls
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

requirements-dev.txt

@@ -3,7 +3,7 @@
 -r requirements-plot.txt
 -r requirements-hyperopt.txt
 
-coveralls==3.3.0
+coveralls==3.3.1
 flake8==4.0.1
 flake8-tidy-imports==4.5.0
 mypy==0.910