RFR: 8276144: Update boot JDK to 17.0.1

[Joeri Sykora]

On Mon, 15 Nov 2021 18:26:00 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> Now that JavaFX has updated to gradle 7.3 -- see [JDK-8276142](https://bugs.openjdk.java.net/browse/JDK-8276142) / PR #671 -- we can update the boot JDK used to build JavaFX to JDK 17.0.1.
> 
> I have run a smoke test on all three platforms.
> 
> I will run a full set of tests in parallel with the review.

All builds ran successfully.

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Marked as reviewed by sykora (Author).

PR: https://git.openjdk.java.net/jfx/pull/670