Bump pytest-sugar from 0.9.5 to 0.9.6 (#483)

Bump pytest-sugar from 0.9.5 to 0.9.6 (#483)

Bumps [pytest-sugar](https://github.com/Teemu/pytest-sugar) from 0.9.5 to 0.9.6.
- [Release notes](https://github.com/Teemu/pytest-sugar/releases)
- [Changelog](https://github.com/Teemu/pytest-sugar/blob/master/CHANGES.rst)
- [Commits](https://github.com/Teemu/pytest-sugar/commits)

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

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