Update nanox dependency and use latest build image

[orhoj]

Purpose

Update nanox-secure-sdk dependency and revert to using the latest build image provided by Ledger.

Changes

• Updated nanox-secure-sdk to commit 1f7a79e88ecaf27f7338fa25d9cd4922b1017af4.
• Use latest ledger builder image.

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.

[orhoj]

Look at the speed of the tests. Wow!

[shjortConcordium]

For some of the configure baker tests you have added screens with decline transaction? nanox_configure_baker/url/00010.png nanox_configure_baker/capital_restake_openstatus_keys/00009.png Are these actually used?