Exclude broken pytest-asyncio version

Author: MetRonnie

setup.cfg

@@ -115,8 +115,8 @@ tests =
     flake8-simplify>=0.14.0
     flake8>=3.0.0
     mypy>=0.910
-    # https://github.com/pytest-dev/pytest-asyncio/issues/655
-    pytest-asyncio>=0.17,!=0.22.0
+    # https://github.com/pytest-dev/pytest-asyncio/issues/706
+    pytest-asyncio>=0.17,!=0.23.*
     pytest-cov>=2.8.0
     pytest-xdist>=2
     pytest-env>=0.6.2