chore(deps): update rust crate tower-http to v0.6.4 (#332)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [tower-http](https://redirect.github.com/tower-rs/tower-http) |
dependencies | patch | `0.6.3` -> `0.6.4` |

---

### Release Notes

<details>
<summary>tower-rs/tower-http (tower-http)</summary>

###
[`v0.6.4`](https://redirect.github.com/tower-rs/tower-http/releases/tag/tower-http-0.6.4):
tower-http 0.6.4

[Compare
Source](https://redirect.github.com/tower-rs/tower-http/compare/tower-http-0.6.3...tower-http-0.6.4)

#### Added

- decompression: Support HTTP responses containing multiple ZSTD frames
([#&#8203;548])
- The `ServiceExt` trait for chaining layers onto an arbitrary http
service just
    like `ServiceBuilderExt` allows for `ServiceBuilder` ([#&#8203;563])

#### Fixed

-   Remove unnecessary trait bounds on `S::Error` for `Service` impls of
    `RequestBodyTimeout<S>` and `ResponseBodyTimeout<S>` ([#&#8203;533])
-   compression: Respect `is_end_stream` ([#&#8203;535])
-   Fix a rare panic in `fs::ServeDir` ([#&#8203;553])
- Fix invalid `content-lenght` of 1 in response to range requests to
empty
    files ([#&#8203;556])
- In `AsyncRequireAuthorization`, use the original inner service after
it is
    ready, instead of using a clone ([#&#8203;561])

[#&#8203;533]: https://redirect.github.com/tower-rs/tower-http/pull/533

[#&#8203;535]: https://redirect.github.com/tower-rs/tower-http/pull/535

[#&#8203;548]: https://redirect.github.com/tower-rs/tower-http/pull/548

[#&#8203;553]: https://redirect.github.com/tower-rs/tower-http/pull/556

[#&#8203;556]: https://redirect.github.com/tower-rs/tower-http/pull/556

[#&#8203;561]: https://redirect.github.com/tower-rs/tower-http/pull/561

[#&#8203;563]: https://redirect.github.com/tower-rs/tower-http/pull/563

</details>

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