chore(cargo): bump hyper-util from 0.1.19 to 0.1.20

Bumps [hyper-util](https://github.com/hyperium/hyper-util) from 0.1.19 to 0.1.20.
- [Release notes](https://github.com/hyperium/hyper-util/releases)
- [Changelog](https://github.com/hyperium/hyper-util/blob/master/CHANGELOG.md)
- [Commits](https://github.com/hyperium/hyper-util/compare/v0.1.19...v0.1.20)

---
updated-dependencies:
- dependency-name: hyper-util
  dependency-version: 0.1.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.lock

@@ -2639,13 +2639,12 @@ dependencies = [
 
 [[package]]
 name = "hyper-util"
-version = "0.1.19"
+version = "0.1.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "727805d60e7938b76b826a6ef209eb70eaa1812794f9424d4a4e2d740662df5f"
+checksum = "96547c2556ec9d12fb1578c4eaf448b04993e7fb79cbaad930a656880a6bdfa0"
 dependencies = [
  "bytes",
  "futures-channel",
- "futures-core",
  "futures-util",
  "http 1.1.0",
  "http-body",