'javax.security.cert.X509Certificate' is deprecated and marked for removal in JDK17

### Questions

Do not use this issue tracker to ask questions, instead use one of these [channels](https://vertx.io/community/). Questions will likely be closed without notice.

### Version
using 4.4.1
seems to me every version has this bug

### Context
https://github.com/eclipse-vertx/vert.x/blob/4.5.8/src/main/java/io/vertx/core/http/HttpServerRequest.java

_incompatible types: java.security.cert.X509Certificate[] cannot be converted to javax.security.cert.X509Certificate[]_

### Do you have a reproducer?
no
A reproducer is a simple project hosted on GitHub (or another forge supporting git clone operation) that has a build file that can be executed to reproduce the issue.

Reproducers are very helpful for contributors and will likely help them fixing your bug faster.

* Link to github project/gist

### Steps to reproduce

1. ...
2. ...
3. ...
4. ...

### Extra

* Anything that can be relevant such as OS version, JVM version
NO