Swift: Bump github.com/swift-server/async-http-client

Bumps the swift-dependencies group with 1 update: [github.com/swift-server/async-http-client](https://github.com/swift-server/async-http-client).


Updates `github.com/swift-server/async-http-client` from 1.23.1 to 1.24.0
- [Release notes](https://github.com/swift-server/async-http-client/releases)
- [Commits](swift-server/async-http-client@1.23.1...1.24.0)

---
updated-dependencies:
- dependency-name: github.com/swift-server/async-http-client
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: swift-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]