Bump pytest-asyncio from 0.16.0 to 0.18.3

Bumps [pytest-asyncio](https://github.com/pytest-dev/pytest-asyncio) from 0.16.0 to 0.18.3.
- [Release notes](https://github.com/pytest-dev/pytest-asyncio/releases)
- [Changelog](https://github.com/pytest-dev/pytest-asyncio/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest-asyncio/compare/v0.16.0...v0.18.3)

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

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

pyproject.toml

@@ -80,7 +80,7 @@ PyMySQL = ">=0.9,<=0.9.3"
 pytest = "^7.1.1"
 pytest-cov = "^3.0.0"
 codecov = "^2.1.12"
-pytest-asyncio = "^0.16.0"
+pytest-asyncio = "^0.18.3"
 fastapi = ">=0.70.1,<0.76"
 flake8 = "^3.9.2"
 flake8-black = "^0.3.2"