RFR: 2160: Update GHA versions

[Zhao Song]

On Mon, 29 Jan 2024 22:30:54 GMT, Zhao Song <zsong at openjdk.org> wrote:

> This patch is trying to update the GHA versions, only `actions/checkout` and `actions/github-script` are used in GitHub Actions for skara. As `actions/checkout` is already the latest version, I only bumped the version of `actions/github-script`.

Thanks for the review!

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PR Comment: https://git.openjdk.org/skara/pull/1609#issuecomment-1917590247