Bump pytest-asyncio from 0.20.2 to 0.20.3 (#339)

Bumps [pytest-asyncio](https://github.com/pytest-dev/pytest-asyncio) from 0.20.2 to 0.20.3.
- [Release notes](https://github.com/pytest-dev/pytest-asyncio/releases)
- [Changelog](https://github.com/pytest-dev/pytest-asyncio/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-asyncio@v0.20.2...v0.20.3)

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

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

Author: dependabot[bot]

requirements.txt

@@ -4,6 +4,6 @@ docutils==0.19
 mypy==0.991; implementation_name=="cpython"
 pre-commit==2.20.0
 pytest==7.2.0
-pytest-asyncio==0.20.2
+pytest-asyncio==0.20.3
 pytest-cov==4.0.0
 twine==4.0.2