Bump tower-http from 0.6.7 to 0.6.8 (#108)

Bumps [tower-http](https://github.com/tower-rs/tower-http) from 0.6.7 to 0.6.8.
- [Release notes](https://github.com/tower-rs/tower-http/releases)
- [Commits](tower-rs/tower-http@tower-http-0.6.7...tower-http-0.6.8)

---
updated-dependencies:
- dependency-name: tower-http
  dependency-version: 0.6.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -41,7 +41,7 @@ tonic-prost = "0.14"
 tonic-prost-build = "0.14"
 tower-service = "0.3.3"
 tower = "0.5.2"
-tower-http = "0.6.7"
+tower-http = "0.6.8"
 tracing = "0.1.43"
 trait-variant = "0.1.2"
 twurst-error = { path = "error", version = "0.3.0" }