Bump version after release #476

Job	Run time
cargo-deny (advisories)	22s
lint	23s
cargo-deny (bans licenses sources)	20s
aarch64-apple-ios / build	21s
aarch64-apple-darwin-nightly / build	56s
aarch64-apple-darwin / build	27s
aarch64-unknown-linux-gnu / build	26s
aarch64-unknown-linux-musl / build	1m 4s
arm-linux-androideabi / build	25s
armv7-linux-androideabi / build	29s
i686-pc-windows-gnu / build	1m 54s
i686-pc-windows-msvc / build	2m 19s
i686-unknown-linux-gnu / build	23s
i686-unknown-linux-musl / build	1m 9s
msrv-aarch64-apple-darwin / build	35s
msrv-arm-linux-androideabi / build	38s
msrv-x86_64-pc-windows-msvc / build	37s
msrv-x86_64-unknown-freebsd / build	39s
msrv-x86_64-unknown-linux-gnu / build	51s
msrv-x86_64-unknown-linux-musl / build	35s
msrv-x86_64-unknown-netbsd / build	29s
x86_64-apple-darwin / build	39s
x86_64-pc-windows-gnu / build	3m 12s
x86_64-pc-windows-msvc / build	2m 12s
x86_64-pc-windows-msvc-nightly / build	1m 55s
x86_64-unknown-freebsd / build	53s
x86_64-unknown-linux-gnu / build	54s
x86_64-unknown-linux-gnu-nightly / build	1m 3s
x86_64-unknown-linux-musl / build	1m 40s
x86_64-unknown-netbsd / build	26s
	28m 16s

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