Bump pytest-forked from 1.4.0 to 1.6.0 (#529)

Bumps [pytest-forked](https://github.com/pytest-dev/pytest-forked) from 1.4.0 to 1.6.0.
- [Release notes](https://github.com/pytest-dev/pytest-forked/releases)
- [Changelog](https://github.com/pytest-dev/pytest-forked/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-forked@v1.4.0...v1.6.0)

---
updated-dependencies:
- dependency-name: pytest-forked
  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>

Author: dependabot[bot]

requirements.txt

@@ -5,7 +5,7 @@ grablib==0.8
 pytest==6.2.5
 pytest-aiohttp==1.0.4
 pytest-cov==4.0.0
-pytest-forked==1.4.0
+pytest-forked==1.6.0
 pytest-mock==3.10.0
 pytest-sugar==0.9.6
 pytest-timeout==2.1.0