Prepare release `2.9.1` (#1791) #116

Job	Run time
check / snforge-init	5m 47s
check / test linux x86-64	2h 30m 17s
release / build x86_64-unknown-linux-gnu	14m 41s
check / test macos aarch64	1h 17m 24s
release / build x86_64-unknown-linux-musl	14m 27s
check / test windows x86-64	2h 26m 34s
release / build aarch64-unknown-linux-gnu	16m 17s
release / build aarch64-unknown-linux-musl	15m 13s
release / build x86_64-apple-darwin	31m 28s
release / build aarch64-apple-darwin	44m 35s
release / build x86_64-pc-windows-msvc	26m 9s
release / verify ubuntu-20.04 x86_64-unknown-linux-gnu	32s
release / checksums	10s
release / verify ubuntu-22.04 x86_64-unknown-linux-gnu	37s
release / verify macos-14 aarch64-apple-darwin	45s
release / verify windows-2019 x86_64-pc-windows-msvc	1m 34s
draft release	9s
	9h 6m 39s

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