The GrpcClient constructor should add http2ClearTextUpgrade(false) to passed HttpOptions

[doctorpangloss]

Version

4.3.7

Context

The GrpcClient constructors allow you to pass in custom HttpOptions.

Because httpOptions.setHttp2ClearTextUpgrade(false) must be set, the constructor should do it for you, like the default constructor does.

Steps to reproduce

1. Create a client with GrpcClient.client(vertx, new HttpClientOptions()).
2. Observe the server replies with an unexpected HTTP/1.1 protocol error.
3. Observe GrpcClient.client(vertx, new HttpClientOptions().setHttp2ClearTextUpgrade(false)) resolves the issue.

This is a known issue. It is never valid to have this set to true (or the default) on a GrpcClient.