Update tower-http requirement from 0.5.1 to 0.6.1 (#701)

Updates the requirements on [tower-http](https://github.com/tower-rs/tower-http) to permit the latest version.
- [Release notes](https://github.com/tower-rs/tower-http/releases)
- [Commits](tower-rs/tower-http@tower-http-0.5.1...tower-http-0.6.1)

---
updated-dependencies:
- dependency-name: tower-http
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -53,7 +53,7 @@ serde_urlencoded = "0.7.1"
 snafu = "0.8"
 tokio = { version = "1.17.0", default-features = false, features = ["time"], optional = true }
 tower = { version = "0.4.13", default-features = false, features = ["util", "buffer"] }
-tower-http = { version = "0.5.1", features = ["map-response-body", "trace"] }
+tower-http = { version = "0.6.1", features = ["map-response-body", "trace"] }
 tracing = { version = "0.1.37", features = ["log"], optional = true }
 url = { version = "2.2.2", features = ["serde"] }