Update Node.js to v16 in all RN packages (#37073)

Summary:
**NOTE**: This is a **BREAKING** change.
TLDR; Enforce minimum Node.js v16 in all RN packages.

This diff **Updates Node.js to v16** across all RN packages.

#### Context:

- For RN development and new project created; bump to node 16 was in https://github.com/facebook/react-native/pull/36217
- Recently `react-native-windows` also; updated node to v16, https://github.com/microsoft/react-native-windows/pull/11500

#### Changes:

- [BREAKING] Update Node.js to v16 across all RN packages under 'packages/' dir

## Changelog:

[GENERAL][BREAKING] - Update Node.js to v16 in all RN packages

Pull Request resolved: https://github.com/facebook/react-native/pull/37073

Test Plan: - `yarn lint && yarn flow && yarn test-ci` --> _should be green_

Reviewed By: cipolleschi

Differential Revision: D45306108

Pulled By: jacdebug

fbshipit-source-id: e3ba7d0151b86a6a0a3d63fb29c2bd887e1ac1e7