Merge pull request #4808 from freqtrade/dependabot/pip/develop/pytest-asyncio-0.15.1

Bump pytest-asyncio from 0.15.0 to 0.15.1

requirements-dev.txt

@@ -9,7 +9,7 @@ flake8-type-annotations==0.1.0
 flake8-tidy-imports==4.2.1
 mypy==0.812
 pytest==6.2.3
-pytest-asyncio==0.15.0
+pytest-asyncio==0.15.1
 pytest-cov==2.11.1
 pytest-mock==3.6.0
 pytest-random-order==1.0.4