embit bump version to 0.8.0

[newtonick]

Description

Describe the change simply. Provide a reason for the change.

Include screenshots of any new or modified screens (or at least explain why they were omitted)

This pull request is categorized as a:

• [ ] New feature
• [ ] Bug fix
• [ ] Code refactor
• [ ] Documentation
• [x] Other

Checklist

• [x] I’ve run pytest and made sure all unit tests pass before sumbitting the PR

If you modified or added functionality/workflow, did you add new unit tests?

• [ ] No, I’m a fool
• [ ] Yes
• [x] N/A

I have tested this PR on the following platforms/os:

• [x] Raspberry Pi OS Manual Build
• [x] SeedSigner OS on a Pi0/Pi0W board
• [ ] Other

Note: Keep your changes limited in scope; if you uncover other issues or improvements along the way, ideally submit those as a separate PR. The more complicated the PR the harder to review, test, and merge.

[newtonick]

SeedSignerOS embit v0.8.0 update: https://github.com/SeedSigner/seedsigner-os/pull/72