Bump mio from 0.8.6 to 0.8.11 #554

Job	Run time
docs	13s
lint	1m 5s
test 3.8, rust stable on ubuntu	2m 32s
build on ${{ matrix.platform \|\| matrix.os }} (${{ matrix.target }} - ${{ matrix.manylinux \|\| 'auto' }})	0s
test 3.9, rust stable on ubuntu	2m 29s
test 3.10, rust stable on ubuntu	2m 30s
test 3.11, rust stable on ubuntu	2m 28s
test 3.12, rust stable on ubuntu	2m 35s
test pypy3.8, rust stable on ubuntu	2m 45s
test pypy3.9, rust stable on ubuntu	2m 54s
test pypy3.10, rust stable on ubuntu	2m 53s
test 3.8, rust 1.63.0 on ubuntu	2m 54s
test 3.9, rust 1.63.0 on ubuntu	2m 44s
test 3.10, rust 1.63.0 on ubuntu	2m 49s
test 3.11, rust 1.63.0 on ubuntu	2m 41s
test 3.12, rust 1.63.0 on ubuntu	2m 46s
test pypy3.8, rust 1.63.0 on ubuntu	3m 12s
test pypy3.9, rust 1.63.0 on ubuntu	3m 22s
test pypy3.10, rust 1.63.0 on ubuntu	3m 8s
test 3.8, rust stable on macos	1m 26s
test 3.9, rust stable on macos	1m 0s
list-pypi-files	0s
test 3.10, rust stable on macos	1m 4s
test 3.11, rust stable on macos	59s
test 3.12, rust stable on macos	1m 5s
test pypy3.8, rust stable on macos	1m 3s
test pypy3.9, rust stable on macos	1m 7s
test pypy3.10, rust stable on macos	1m 20s
test 3.8, rust stable on windows	2m 9s
test 3.9, rust stable on windows	1m 40s
test 3.10, rust stable on windows	2m 6s
test 3.11, rust stable on windows	2m 30s
test 3.12, rust stable on windows	2m 54s
test pypy3.8, rust stable on windows	3m 45s
test pypy3.9, rust stable on windows	2m 47s
test pypy3.10, rust stable on windows	2m 42s
check	4s
release	0s
	1h 15m 41s

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