Update auth demo to include password validation

[ch5zzy]

Update the auth demo to include a section for password validation. As a password is typed in, the status of requirements will be displayed and updated based on what is required by the policy.

See a quick demo at https://drive.google.com/file/d/1WlAkDJrZCS5qiMYSrNLk-LDWjquFPxTA/view?usp=sharing

[changeset-bot]

⚠️ No Changeset found

Latest commit: 221ee6f

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[google-oss-bot]

Size Report ¹

Affected Products

No changes between base commit (5ef98ff) and merge commit (eca5ba5).

Test Logs

• Base (5ef98ff): https://github.com/firebase/firebase-js-sdk/actions/runs/5580834919
• Merge (eca5ba5): https://github.com/firebase/firebase-js-sdk/actions/runs/5593379721

1. https://storage.googleapis.com/firebase-sdk-metric-reports/hc53iHrVxR.html

[google-oss-bot]

Size Analysis Report ¹

Affected Products

No changes between base commit (5ef98ff) and merge commit (eca5ba5).

Test Logs

• Base (5ef98ff): https://github.com/firebase/firebase-js-sdk/actions/runs/5580834919
• Merge (eca5ba5): https://github.com/firebase/firebase-js-sdk/actions/runs/5593379721

1. https://storage.googleapis.com/firebase-sdk-metric-reports/QVkHobVNQg.html

[Xiaoshouzi-gh]

Will there be separate PRs to add the password policy check on existing sign in, sign up & reset password flow?

[ch5zzy]

Will there be separate PRs to add the password policy check on existing sign in, sign up & reset password flow?

Since password validation is not being implemented as part of these flows, I figured it was best to have a separate section for testing password validation. We could have a button toggle for each of these flows (like enable/disable password validation) with a similar UI to this for displaying the requirements, but I wasn't sure if we wanted to duplicate this UI across these sections or just have one section for demoing password validation.

I will add displaying the forceUpgradeOnSignin to the sign-in flow in another PR.