RFR: 8345937: Update JUnit Platform to newest version

[Kevin Rushforth]

On Tue, 10 Dec 2024 18:07:44 GMT, Marius Hanl <mhanl at openjdk.org> wrote:

> The JUnit Platform got some updates over the last years, so it is a good idea to update it to the newest version.
> 
> That is from `5.8.1` to `5.11.3`.
> Affected dependencies:
> - `junit.jupiter`
> - `junit.platform`
> - `opentest4j`
> 
> Release notes: https://junit.org/junit5/docs/5.11.3/release-notes/
> 
> Note:
> I did a handful of CI runs and got a test failure once in `ServiceLifecycleTest`. Not sure yet if related to the update or not.

All good. The combined patch from this PR and #1664 passes in our CI.

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

Marked as reviewed by kcr (Lead).

PR Review: https://git.openjdk.org/jfx/pull/1662#pullrequestreview-2503271037