feat(ext/http): Upgrade to hyper1.0-rc4

[mmastrac]

Includes a lightly-modified version of hyper-util's TokioIo utility.

Hyper changes:

v1.0.0-rc.4 (2023-07-10)
Bug Fixes

http1:
    http1 server graceful shutdown fix (#3261) ([f4b51300](https://github.com/hyperium/hyper/commit/f4b513009d81083081d1c60c1981847bbb17dd5d))
    send error on Incoming body when connection errors (#3256) ([52f19259](https://github.com/hyperium/hyper/commit/52f192593fb9ebcf6d3894e0c85cbf710da4decd), closes https://github.com/hyperium/hyper/issues/3253)
    properly end chunked bodies when it was known to be empty (#3254) ([fec64cf0](https://github.com/hyperium/hyper/commit/fec64cf0abdc678e30ca5f1b310c5118b2e01999), closes https://github.com/hyperium/hyper/issues/3252)

Features

client: Make clients able to use non-Send executor (#3184) ([d977f209](https://github.com/hyperium/hyper/commit/d977f209bc6068d8f878b22803fc42d90c887fcc), closes https://github.com/hyperium/hyper/issues/3017)
rt:
    replace IO traits with hyper::rt ones (#3230) ([f9f65b7a](https://github.com/hyperium/hyper/commit/f9f65b7aa67fa3ec0267fe015945973726285bc2), closes https://github.com/hyperium/hyper/issues/3110)
    add downcast on Sleep trait (#3125) ([d92d3917](https://github.com/hyperium/hyper/commit/d92d3917d950e4c61c37c2170f3ce273d2a0f7d1), closes https://github.com/hyperium/hyper/issues/3027)
service: change Service::call to take &self (#3223) ([d894439e](https://github.com/hyperium/hyper/commit/d894439e009aa75103f6382a7ba98fb17da72f02), closes https://github.com/hyperium/hyper/issues/3040)

Breaking Changes

Any IO transport type provided must not implement hyper::rt::{Read, Write} instead of tokio::io traits. You can grab a helper type from hyper-util to wrap Tokio types, or implement the traits yourself, if it's a custom type. ([f9f65b7a](https://github.com/hyperium/hyper/commit/f9f65b7aa67fa3ec0267fe015945973726285bc2))
client::conn::http2 types now use another generic for an Executor. Code that names Connection needs to include the additional generic parameter. ([d977f209](https://github.com/hyperium/hyper/commit/d977f209bc6068d8f878b22803fc42d90c887fcc))
The Service::call function no longer takes a mutable reference to self. The FnMut trait bound on the service::util::service_fn function and the trait bound on the impl for the ServiceFn struct were changed from FnMut to Fn.

[bartlomieju]

Includes a lightly-modified version of hyper-util's TokioIo utility.

@mmastrac why is this necessary, instead of using hyper's library?

[mmastrac]

Includes a lightly-modified version of hyper-util's TokioIo utility.

@mmastrac why is this necessary, instead of using hyper's library?

It's not published yet. We could add a git dependency but that seems risky as it's still 0.0.0

[bartlomieju]

LGTM

[bartlomieju]

Closes #19789