Update Node.js to v16 - autoclosed

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This PR contains the following updates:

Package	Type	Update	Change
node	final	major	12-alpine -> 16-alpine
node	stage	major	12-alpine -> 16-alpine

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Release Notes

nodejs/node

### [`v16`](https://togithub.com/nodejs/node/blob/master/CHANGELOG.md#​2016-05-06-Version-01214-Maintenance--rvagg) Moved to doc/changelogs/CHANGELOG_V012.md#​0.12.14. ### [`v15`](https://togithub.com/nodejs/node/blob/master/CHANGELOG.md#​2015-12-23-Version-424-Argon-LTS--jasnell) Moved to doc/changelogs/CHANGELOG_V4.md#​4.2.4. ### [`v14`](https://togithub.com/nodejs/node/blob/master/CHANGELOG.md#​2016-05-06-Version-01214-Maintenance--rvagg) Moved to doc/changelogs/CHANGELOG_V012.md#​0.12.14. ### [`v13`](https://togithub.com/nodejs/node/blob/master/CHANGELOG.md#​2016-03-31-Version-01213-LTS--rvagg) Moved to doc/changelogs/CHANGELOG_V012.md#​0.12.13.

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Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Renovate will not automatically rebase this PR, because other commits have been found.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

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Autoclosing Skipped

This PR has been flagged for autoclosing, however it is being skipped due to the branch being already modified. Please close/delete it manually or report a bug if you think this is in error.