Filed on behalf of altrisi (https://github.com/openjdk/skara/pull/1552):

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.