Check haveibeenpwned API during password reset and account creation

[jamesmorrison]

Description of the Change

Verify new password against the Have I Been Pwned API during password change (on profile or via reset process)

Closes #77

How to test the Change

Changing password through profile

1. Login to WP and access you profile
2. Scroll down to "Set New Password" and enter something in a breach (e.g. london123)
3. Scroll down to the "Update Profile" button
4. If need be, remove the disabled attribute on the Update Profile button - this is added through JS when a "weak" password is identified
5. Save and confirm you see the error: "The password entered may have been included in a data breach and is not considered safe to use. Please choose another." - note you may also see another error stating "Password must be medium strength or greater." (ignore this, but be aware of correlation between weak passwords and data breaches, in many cases both errors will show

Reset password process

1. Navigate to WP login and run through the password reset process
2. Open the link in the email
3. In the new password field enter something in a breach (e.g. london123)
4. If need be, remove the disabled attribute on the Save Password button - this is added through JS when a "weak" password is identified
5. Save and confirm you see the error: "The password entered may have been included in a data breach and is not considered safe to use. Please choose another." - note you may also see another error stating "Password must be medium strength or greater." (ignore this, but be aware of correlation between weak passwords and data breaches, in many cases both errors will show

Changelog Entry

Added - Verify new password against the Have I Been Pwned API during password change (on profile or via reset process)

Credits

Props @jamesmorrison

Checklist:

• I agree to follow this project's Code of Conduct.
• I have updated the documentation accordingly.
• [] I have added Critical Flows, Test Cases, and/or End-to-End Tests to cover my change.
• All new and existing tests pass.

[darylldoyle]

Tested using the password: hellomyfrien which was confirmed as pwned using https://haveibeenpwned.com/Passwords