RFR: 8274274: Update JUnit to version 5.8.1 [v5]

Thu Nov 11 15:21:43 UTC 2021

On Fri, 24 Sep 2021 21:17:14 GMT, John Hendrikx <jhendrikx at openjdk.org> wrote:

>> I will try block this and get back to you.
>
> Hamcrest could be blocked, tests still run.

As it turns out, `hamcrest` does not need to be blocked, so you can restore it if it is easier. I'll leave it up to you.

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PR: https://git.openjdk.java.net/jfx/pull/633