chore: release v3.8.1 #1309

Job	Run time
version-sync	8s
test-msrv (macos, 1.61.0)	1m 29s
test-msrv (windows, 1.61.0)	1m 58s
test-msrv (ubuntu, 1.61.0)	1m 16s
test-msrv (windows, 1.59.0)	2m 1s
test-msrv (ubuntu, 1.59.0)	1m 23s
test-unstable (nightly)	20s
test-unstable (beta)	28s
compilation-benchmarks	1m 58s
test-unstable (beta, --locked)	31s
test-msrv (macos, 1.59.0)	2m 9s
cargo-lock	11s
cargo-miri (--locked)	1m 40s
cargo-miri	1m 43s
test-unstable (nightly, --locked)	19s
test-stable (ubuntu)	1m 30s
test-stable (ubuntu, --locked)	1m 30s
test-stable (windows, --locked)	3m 2s
runtime-benchmarks (args_10_alloc)	1m 18s
test-stable (macos)	2m 29s
runtime-benchmarks (args_5)	2m 34s
runtime-benchmarks (args_20)	2m 40s
test-stable (macos, --locked)	1m 47s
prettier	15s
runtime-benchmarks (args_10_structs)	1m 23s
test-stable (windows)	3m 43s
typos	5s
runtime-benchmarks (args_10)	2m 53s
runtime-benchmarks (args_3)	2m 53s
cargo-doc (windows)	47s
cargo-machete	5s
cargo-doc (macos)	50s
cargo-fmt	15s
cargo-doc (ubuntu)	19s
taplo-fmt	6s
website-build	28s
	48m 26s

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