Closes #1903 BREAKING CHANGE: The `Resolve` trait is gone. All custom resolves should implement `tower::Service` instead. The error type of `HttpConnector` has been changed away from `std::io::Error`.
Closes #1903 BREAKING CHANGE: The `Resolve` trait is gone. All custom resolves should implement `tower::Service` instead. The error type of `HttpConnector` has been changed away from `std::io::Error`.