Password reset email template - wrong variables

Steps to reproduce

1. Click 'Reset your password'
2. Type your email address
3. Click 'Ask for password reset'

What happens?

Email arrives in the following format:

Subject: Password reset on funkwhale_api Title: You're receiving this email because you requested a password reset for your user account at funkwhale_api. Please go to the following page and choose a new password: https://......com/auth/password/reset/confirm?uid=MTA&token=...... Your username, in case you've forgotten: xxxx Thanks for using our site! The funkwhale_api team

What is expected?

The variable 'funkwhale_api' should resolve a Public Name of the instance or at least the URL provided in host settings.

Context

Funkwhale version(s) affected: develop

• Instance configuration: Non-docker develop version