chore: release v3.9.0 #1493

Job	Run time
version-sync	9s
cargo-miri	1m 56s
compilation-benchmarks	2m 3s
cargo-lock	10s
cargo-fmt	16s
cargo-doc (ubuntu)	23s
cargo-doc (windows)	47s
runtime-benchmarks (args_3)	58s
cargo-doc (macos)	35s
runtime-benchmarks (args_10)	56s
test-msrv (ubuntu, 1.61.0)	24m 41s
runtime-benchmarks (args_10_alloc)	58s
cargo-miri (--locked)	1m 48s
runtime-benchmarks (args_20)	56s
runtime-benchmarks (args_5)	58s
runtime-benchmarks (args_10_structs)	1m 5s
test-msrv (ubuntu, 1.59.0)	24m 27s
test-unstable (beta, --locked)	28s
test-stable (ubuntu, --locked)	2m 13s
cargo-machete	4s
website-build	24s
prettier	8s
test-stable (macos, --locked)	2m 17s
test-stable (windows)	4m 13s
test-unstable (beta)	27s
test-msrv (macos, 1.59.0)	23m 21s
taplo-fmt	6s
test-stable (ubuntu)	2m 13s
test-msrv (windows, 1.61.0)	35m 24s
test-stable (macos)	2m 41s
test-msrv (macos, 1.61.0)	19m 7s
test-msrv (windows, 1.59.0)	40m 10s
typos	6s
test-unstable (nightly, --locked)	32s
test-unstable (nightly)	28s
test-stable (windows, --locked)	4m 16s
	3h 21m 44s

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