Bump pytest-asyncio from 0.20.3 to 0.21.0 (#145)

Bumps [pytest-asyncio](https://github.com/pytest-dev/pytest-asyncio) from 0.20.3 to 0.21.0.
- [Release notes](https://github.com/pytest-dev/pytest-asyncio/releases)
- [Commits](pytest-dev/pytest-asyncio@v0.20.3...v0.21.0)

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

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

requirements-test.txt

@@ -2,7 +2,7 @@ aioresponses==0.7.4
 black==23.1.0
 coverage==7.2.1
 mypy==1.1.1
-pytest-asyncio==0.20.3
+pytest-asyncio==0.21.0
 pytest-cov==4.0.0
 pytest-error-for-skips==2.0.2
 pytest-timeout==2.1.0