RFR: GHA: Resolve deprecation warnings

[Erik Joelsson]

On Thu, 31 Aug 2023 11:19:33 GMT, altrisi <duke at openjdk.org> wrote:

> This PR resolves deprecation warnings in the GHA workflow by updating dependencies and replacing the deprecated `set-output` with `GITHUB_OUTPUT`.
> 
> v2 to v3 major in `checkout` just updated the node version.
> 
> Github Script v3->v6 also needed a small code change (`github.repos`->`github.rest.repos`), following the documentation.
> 
> GHA workflows still pass with these changes.
> 
> Note that I don't have a JBS account to be able to make an issue for this PR.

I think this looks reasonable. I note that these are the action versions used by the JDK repository, so seems reasonable to update. I will create a JBS issue.

https://bugs.openjdk.org/browse/SKARA-2011

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Marked as reviewed by erikj (Lead).

PR Review: https://git.openjdk.org/skara/pull/1552#pullrequestreview-1604816790
PR Comment: https://git.openjdk.org/skara/pull/1552#issuecomment-1701086220