Add an encapsulated file stream in axum-extra to make it more conveni… #5046

Job	Run time
cargo-hack	5m 38s
check-docs	28s
cargo-public-api-crates (axum)	41s
check	43s
cargo-public-api-crates (axum-core)	17s
dependencies-are-sorted	20s
cargo-public-api-crates (axum-extra)	28s
cargo-deny check (advisories)	25s
cargo-public-api-crates (axum-macros)	28s
cargo-deny check (bans licenses sources)	23s
Spell Check with Typos	7s
test-docs	0s
armv5te-unknown-linux-musleabi	0s
test-nightly	0s
test-msrv	0s
test-versions	0s
wasm32-unknown-unknown	0s
	9m 58s

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