Node.js 12 actions are deprecated

[thomasmerz]

Node.js 12 actions are deprecated.

For more information see:
https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/.

Please update the following actions to use Node.js 16: actions/checkout@v2
Using version v3, latest or master: actions/checkout#689

See: thomasmerz/lang-box@9abc58c

Please update the following actions to use Node.js 16: actions/setup-node@v2, actions/cache@v2
Using version v2.285.0, latest or master: actions/setup-node#414 and actions/cache#729

See: thomasmerz/lang-box@e4d957e

[thomasmerz]

@inokawa , do you want a PR for this?