Bump Ruby and Yarn version

Why is this change being made?

Most of the projects at GitLab are specified Ruby 3.0.4 and Yarn 1.22.19: https://gitlab.com/gitlab-org/gitlab-development-kit/-/blob/6fc993e1ab5366c0c29f2928a7fc1c0e2d8f2d1d/.tool-versions#L57

This just makes this project adhere to the most common versions.

Author Checklist

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