Bump pytest-asyncio from 0.20.3 to 0.21.0 (#734)

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

Author: dependabot[bot]

poetry.lock

@@ -44,7 +44,7 @@ pre-commit = "^3.2.0"
 pre-commit-hooks = "^4.4.0"
 pylint = "^2.17.0"
 pytest = "^7.2.2"
-pytest-asyncio = "^0.20.3"
+pytest-asyncio = "^0.21.0"
 pytest-cov = "^4.0.0"
 yamllint = "^1.29.0"
 pyupgrade = "^3.3.1"