Bump hyper-util from 0.1.14 to 0.1.15 (#1369)

Bumps [hyper-util](https://github.com/hyperium/hyper-util) from 0.1.14 to 0.1.15.
- [Release notes](https://github.com/hyperium/hyper-util/releases)
- [Changelog](https://github.com/hyperium/hyper-util/blob/master/CHANGELOG.md)
- [Commits](hyperium/hyper-util@v0.1.14...v0.1.15)

---
updated-dependencies:
- dependency-name: hyper-util
  dependency-version: 0.1.15
  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

@@ -62,7 +62,7 @@ version = "1.6.0"
 features = [ "full" ]
 
 [dependencies.hyper-util]
-version = "0.1.14"
+version = "0.1.15"
 features = [ "full" ]
 
 [dependencies.openapiv3]