Bump tox from 3.26.0 to 3.27.0 (#353)

Bumps [tox](https://github.com/tox-dev/tox) from 3.26.0 to 3.27.0.
- [Release notes](https://github.com/tox-dev/tox/releases)
- [Changelog](https://github.com/tox-dev/tox/blob/master/docs/changelog.rst)
- [Commits](tox-dev/tox@3.26.0...3.27.0)

---
updated-dependencies:
- dependency-name: tox
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/ci-wheel.txt

@@ -2,7 +2,7 @@
 
 coverage==6.5.0
 pytest-cov==4.0.0
-tox==3.26.0
+tox==3.27.0
 
 # Using PEP 508 env markers to control dependency on runtimes:
 codecov==2.1.12