Version 0.12.1

Summary:

iOS:

• Avatar: Added support for templated images in Avatar activity

What's Changed

• [main_0.12] Cherry-picking: Avatar accessory image changed to be original rendering mode (#1554) by @sophialee0416 in #1556
• [main_0.12] Bumping FluentUI Apple Version (0.12.1) by @sophialee0416 in #1558

Full Changelog: 0.12.0...0.12.1