Node.js 12 actions are deprecated

GitHub is now deprecating Node.js 12 and is requiring action maintainers to upgrade to Node.js 16

Full description available in their blog post;
[https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/](https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/)