chore: release v3.9.1 #1538

Job	Run time
cargo-miri (--locked)	1m 44s
cargo-lock	7s
cargo-doc (windows)	46s
typos	7s
cargo-miri	1m 46s
compilation-benchmarks	1m 57s
prettier	8s
test-unstable (beta, --locked)	31s
version-sync	7s
cargo-doc (macos)	37s
test-unstable (nightly, --locked)	33s
test-unstable (beta)	33s
taplo-fmt	4s
test-unstable (nightly)	28s
test-msrv (ubuntu, 1.61.0)	9m 10s
test-stable (ubuntu)	41s
cargo-machete	5s
test-stable (windows)	1m 15s
test-stable (macos)	47s
test-msrv (ubuntu, 1.59.0)	8m 15s
test-msrv (windows, 1.61.0)	17m 25s
runtime-benchmarks (args_3)	1m 8s
test-stable (macos, --locked)	1m 8s
runtime-benchmarks (args_10_structs)	1m 0s
website-build	21s
runtime-benchmarks (args_10_alloc)	1m 3s
cargo-fmt	17s
runtime-benchmarks (args_10)	1m 13s
test-msrv (windows, 1.59.0)	18m 0s
test-msrv (macos, 1.61.0)	1m 46s
test-msrv (macos, 1.59.0)	1m 40s
test-stable (windows, --locked)	1m 19s
test-stable (ubuntu, --locked)	40s
runtime-benchmarks (args_5)	56s
runtime-benchmarks (args_20)	1m 4s
cargo-doc (ubuntu)	22s
	1h 19m 3s

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