The GitHub authentication component is used on the Google Authentication page

### Step 1: Describe your environment

* Operating system: macOS 13.4
* Browser: Google Chrome
* Firebase SDK version: 12.9.1

### Step 2: Describe the problem:

#### Steps to reproduce:

1. cd /auth
2. firebase serve
3. open "Google sign-in using Popup" (http://localhost:5000/google-popup.html)

#### Observed Results:

The label on the button says "SIGN IN WITH GITHUB".
If click on it, the GitHub authentication starts.


#### Expected Results:

The label on the button should say "SIGN IN WITH GOOGLE".
And, it should start the Google authentication.

#### Relevant Code:

none