Bump version to 22.0.4 #4596

Job	Run time
check-git-rev-deps	17s
build-and-test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	7m 46s
cargo-deny (advisories)	34s
build-fuzz	3m 42s
build-and-test (msrv, ubuntu-latest, aarch64-unknown-linux-gnu, true)	5m 0s
cargo-deny (bans licenses sources)	34s
build-and-test (msrv, windows-latest, x86_64-pc-windows-msvc)	21m 2s
docs	4m 16s
build-and-test (latest, ubuntu-latest, x86_64-unknown-linux-gnu)	7m 12s
fmt	16s
build-and-test (latest, ubuntu-latest, aarch64-unknown-linux-gnu, true)	4m 38s
migration-docs	2m 29s
build-and-test (latest, windows-latest, x86_64-pc-windows-msvc)	22m 16s
semver-checks	6m 16s
readme	2m 43s
publish-dry-run (ubuntu-latest, wasm32-unknown-unknown) / publish-dry-run / publish-dry-run	5m 9s
publish-dry-run (ubuntu-latest, x86_64-unknown-linux-gnu, --feature-powerset --exclude-features d... / publish-dry-run / publish-dry-run	7m 7s
complete	1s
	1h 41m 18s

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