Node v12 is deprecated

[hankolsen]

Describe the request

Github Actions are deprecating workflows that are running on Node v12: https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/

Please update the Node version used by setup-protoc to v16

Describe the current behavior

Actions run in Github Actions will output warnings under the Annotations section.

'arduino/setup-protoc' version

arduino/setup-protoc@v1

Additional context

No response

Issue checklist

• I searched for previous requests in the issue tracker
• I verified the feature was still missing when using the latest version
• My request contains all necessary details

[umbynos]

Fixed in #48