Update uvloop

Author: mosquito

poetry.lock

@@ -69,7 +69,7 @@ raven = { version = "*", optional = true }
 rich = { version = "*", optional = true }
 setuptools = [{ version = '*', python = "< 3.8" }]
 typing_extensions = [{ version = '*', python = "< 3.10" }]
-uvloop = { version = ">=0.19, <1", optional = true }
+uvloop = { version = ">=0.21, <1", optional = true }
 uvicorn = { version = "^0.27", optional = true }
 asgiref = { version = "^3.7", optional = true }
 dnslib = { version = "^0.9", optional = true }
@@ -116,7 +116,7 @@ pytest-rerunfailures = "^14.0"
 sphinxcontrib-googleanalytics = "^0.4"
 
 [tool.poetry.group.uvloop.dependencies]
-uvloop = "^0.19.0"
+uvloop = "^0.21"
 
 [tool.poetry.extras]
 aiohttp = ["aiohttp"]