Bump aiounittest from 1.4.1 to 1.4.2

Bumps [aiounittest](https://github.com/kwarunek/aiounittest) from 1.4.1 to 1.4.2.
- [Release notes](https://github.com/kwarunek/aiounittest/releases)
- [Commits](https://github.com/kwarunek/aiounittest/compare/1.4.1...1.4.2)

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

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

requirements-dev.txt

@@ -17,7 +17,7 @@ sphinx-autobuild==2021.3.14
 sphinx-notfound-page==0.8
 myst-parser==0.18.0
 linuxdoc==20211220
-aiounittest==1.4.1
+aiounittest==1.4.2
 yamllint==1.26.3
 wlc==1.13
 coloredlogs==15.0.1