Integrated: Update GHA for panama branch

[Jorn Vernee]

On Thu, 30 Nov 2023 17:37:27 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

> Port of https://github.com/openjdk/jextract/pull/134 + some polish such as using the latest jtreg version, using the latest version of the setup-java and checkout actions, and avoiding use of explicit version numbers in variable names, to avoid having to update all of them again in the future.
> 
> Historically we've had the github tests disabled on the panama branch, since we technically require a JDK from that panama-foreign repo.
> 
> However, right now there is no difference between the Panama repo and JDK22, so we can use the JDK22 EA binary temporarily, and get some extra GHA testing.

This pull request has now been integrated.

Changeset: e912d724
Author:    Jorn Vernee <jvernee at openjdk.org>
URL:       https://git.openjdk.org/jextract/commit/e912d724ad37815dd9e002d98f0cb3744545aba4
Stats:     20 lines in 1 file changed: 0 ins; 0 del; 20 mod

Update GHA for panama branch

Reviewed-by: mcimadamore

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PR: https://git.openjdk.org/jextract/pull/147