RFR: 8340185: Use make -k on GHA to catch more build errors

[Aleksey Shipilev]

On Tue, 8 Apr 2025 14:36:14 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> When building the JDK on GHA, we should use `make -k` to continue building as much as possible in case of failure, to avoid having developers resubmitting one fix after another.
> 
> The additional cost of continuing to build even in a failed build is pretty small compared to the overhead of having to resubmit the entire GHA several times.

Yes, good idea!

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Marked as reviewed by shade (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/24512#pullrequestreview-2750373228