chore(deps): bump @tensorflow/tfjs-node in /functions

Bumps [@tensorflow/tfjs-node](https://github.com/tensorflow/tfjs/tree/HEAD/tfjs-node) from 3.14.0 to 4.22.0.
- [Release notes](https://github.com/tensorflow/tfjs/releases)
- [Changelog](https://github.com/tensorflow/tfjs/blob/master/cloudbuild-release.yml)
- [Commits](https://github.com/tensorflow/tfjs/commits/tfjs-v4.22.0/tfjs-node)

---
updated-dependencies:
- dependency-name: "@tensorflow/tfjs-node"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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