build(deps-dev): bump pytest-asyncio from 0.15.1 to 0.16.0

Bumps [pytest-asyncio](https://github.com/pytest-dev/pytest-asyncio) from 0.15.1 to 0.16.0.
- [Release notes](https://github.com/pytest-dev/pytest-asyncio/releases)
- [Commits](pytest-dev/pytest-asyncio@v0.15.1...v0.16.0)

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

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

Author: dependabot[bot]

requirements-dev.txt

@@ -4,7 +4,7 @@ mypy == 0.910
 pre-commit == 2.15.0
 pylint == 2.11.1
 pytest == 6.2.5
-pytest-asyncio == 0.15.1
+pytest-asyncio == 0.16.0
 pytest-cov == 3.0.0
 pytest-random-order == 1.0.4
 responses == 0.14.0