firebase-js-sdk has typos

[jsoref]

Operating System

N/A

Browser Version

N/A

Firebase SDK Version

master

Firebase SDK Product:

Installations

Describe your project's tooling

The check-spelling action identifies misspellings and other errors using words.

Describe the problem

The misspellings have been reported at https://github.com/jsoref/firebase-js-sdk/actions/runs/9310397584#summary-25627717291

Steps and code to reproduce issue

1. Fork this repository
2. Add jsoref@97e22c4
3. Push to the fork

[google-oss-bot]

I couldn't figure out how to label this issue, so I've labeled it for a human to triage. Hang tight.