Update dependency pytest-asyncio to v0.20.1

requirements.txt

@@ -13,6 +13,6 @@ pydantic==1.10.2
 pylint==2.15.4
 pytest==7.1.3
 pytest-aiohttp==1.0.4
-pytest-asyncio==0.19.0
+pytest-asyncio==0.20.1
 pytest-cov==4.0.0
 pytz==2022.5