a manyToMany method not register exceptionHandler

[tunefun]

Version

4.5.4 ~4.5.10

Context

It was my fault to miss delegating the paramter exceptionHandler, sorry!

vertx-grpc/vertx-grpc/src/main/java/io/vertx/grpc/stub/ClientCalls.java

Lines 67 to 69 in 0d33665

	public static <I, O> ReadStream<O> manyToMany(ContextInternal ctx, Handler<WriteStream<I>> requestHandler, Function<StreamObserver<O>, StreamObserver<I>> delegate, Handler<Throwable> exceptionHandler) {
	return manyToMany(ctx, requestHandler, delegate, null, null, null);
	}