workspace: prepare new releases #1005

Job	Run time
build (nightly) / rust	45s
build (msrv) / rust	43s
build (stable) / rust	36s
build no_std (stable) [w/o builder] / rust	12s
build no_std (stable) [Windows] / rust	1m 7s
build no_std (stable) / rust	17s
style (stable) / rust	14s
build no_std (msrv) / rust	25s
style (msrv) / rust	21s
build no_std (nightly) / rust	23s
style (nightly) / rust	26s
tests with miri (nightly) / rust	1m 9s
	6m 38s

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