Update allowed authentication methods

[jemrobinson]

:white_check_mark: Checklist

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:vertical_traffic_light: Depends on

n/a

:arrow_heading_up: Summary

• Require one of the following methods for SSPR
  • email
  • SMS
  • voice call
• Require one of the following methods for logging in to Guacamole:
  • Microsoft Authenticator
  • TOTP

:closed_umbrella: Related issues

Closes #2145

:microscope: Tests

Tested on a fresh user

SSPR

Authentication app prompt

Authentication app options

Note the I want to use a different authenticator app link

[github-actions[bot]]

Coverage report

This PR does not seem to contain any modification to coverable code.