Add shorthand way to return non-IntoResponse errors #4998

Job	Run time
check	2m 19s
check-docs	36s
cargo-hack	1m 34s
cargo-public-api-crates (axum)	29s
cargo-deny check (advisories)	26s
cargo-public-api-crates (axum-core)	24s
dependencies-are-sorted	33s
cargo-deny check (bans licenses sources)	27s
cargo-public-api-crates (axum-extra)	32s
Spell Check with Typos	5s
cargo-public-api-crates (axum-macros)	18s
test-nightly	1m 37s
armv5te-unknown-linux-musleabi	52s
test-msrv	2m 30s
test-docs	1m 42s
test-versions (stable)	3m 6s
wasm32-unknown-unknown	21s
test-versions (beta)	3m 57s
	21m 48s

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