[FEATURE] Support installing Anthias on Trixie

[nicomiguelino]

Description

Debian 13 (Trixie) was released on August 9, 2025 while the Raspberry Pi OS Trixie was release on October 2.

Solution

Bookworm is now considered legacy in the Raspberry Pi Imager tool. We need to add support for installing Anthias in devices running Trixie.