Prepare 0.11.6 release #145

Job	Run time
clippy	34s
fmt	17s
codecov	2m 6s
build (stable, --features "")	1m 2s
build (stable, --all-features)	1m 46s
build (stable, --no-default-features)	30s
build (1.71, --features "")	42s
test	1m 55s
build (1.71, --all-features)	1m 56s
build (1.71, --no-default-features)	26s
build (beta, --features "")	29s
build (beta, --all-features)	1m 41s
build (beta, --no-default-features)	41s
build (nightly, --features "")	1m 3s
build (nightly, --all-features)	2m 25s
build (nightly, --no-default-features)	32s
	18m 5s

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