RFR: 8285253: update boot jdk to 18.0.1

Fri Jun 17 08:16:21 UTC 2022

On Wed, 15 Jun 2022 08:27:46 GMT, Johan Vos <jvos at openjdk.org> wrote:

> @arapte is there a reason this is in Draft? I think we can review and integrate is, no?

Yes Johan, There were few system tests failing with updated boot jdk. It turns out they fail with earlier boot jdk too(with 17 too). Reported the issue here : [JDK-8288652](https://bugs.openjdk.org/browse/JDK-8288652), which does not seem like a blocker.

-------------

PR: https://git.openjdk.org/jfx/pull/792