bump: v34 tag #2954

Job	Run time
check no-default-features	22s
check serde	25s
check std	16s
clippy	1m 25s
docs	1m 3s
fmt	9s
test stable --no-default-features	57s
test stable	54s
test stable --all-features	1m 13s
test no_std	18s
test beta --no-default-features	54s
test beta	55s
test beta --all-features	1m 18s
test nightly --no-default-features	50s
test nightly	1m 7s
test nightly --all-features	1m 13s
	13m 19s

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