Bump mio from 0.8.9 to 0.8.11 #444

Job	Run time
android-release-test	3m 22s
cpp-build	6m 17s
android-build (i686-linux-android)	2m 16s
java-test (ubuntu-22.04)	2m 34s
android-build (x86_64-linux-android)	2m 11s
validate	3s
java-test (macos-12)	3m 16s
android-build (aarch64-linux-android)	2m 19s
cpp-test	4m 4s
android-test (24, x86)	5m 16s
android-test (24, x86_64)	4m 15s
android-test (29, x86)	9m 4s
android-test (29, x86_64)	5m 27s
	50m 24s

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