feat: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - @tensorflow/tfjs-converter from 3.12.0 to 4.20.0.
    See this package in npm: https://www.npmjs.com/package/@tensorflow/tfjs-converter
  - @tensorflow/tfjs-core from 3.11.0 to 4.20.0.
    See this package in npm: https://www.npmjs.com/package/@tensorflow/tfjs-core
  - firebase-functions from 4.2.1 to 5.1.1.
    See this package in npm: https://www.npmjs.com/package/firebase-functions

See this project in Snyk:
https://app.snyk.io/org/aravindvnair99-github-marketplace/project/3e229b24-b2de-4c21-9d58-eebf425f44fc?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot