Upload snapshots from end2end tests

[orhoj]

Purpose

Upload snapshots from end to end tests to be able to better document the issue we have with screens not rendering correctly with Zemu/Speculos.

Changes

• Updated build pipeline to upload snapshots from end to end tests.

Checklist

• [x] My code follows the style of this project.
• [x] The code compiles without warnings.
• [x] I have performed a self-review of the changes.
• [x] I have documented my code, in particular the intent of the hard-to-understand areas.
• [x] (If necessary) I have updated the CHANGELOG.