Add shorthand way to return non-IntoResponse errors #4987

Job	Run time
check-docs	32s
cargo-public-api-crates (axum)	37s
cargo-hack	5m 23s
check	1m 39s
cargo-public-api-crates (axum-core)	24s
cargo-deny check (advisories)	25s
cargo-public-api-crates (axum-extra)	27s
dependencies-are-sorted	13s
Spell Check with Typos	8s
cargo-public-api-crates (axum-macros)	17s
cargo-deny check (bans licenses sources)	26s
test-nightly	0s
test-docs	0s
armv5te-unknown-linux-musleabi	0s
test-msrv	0s
test-versions	0s
wasm32-unknown-unknown	0s
	10m 31s

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