glaz 4.2.0

Phone app 4.2.0, glasses app 0.34.0 (uploaded by the phone app).

Firmware, for Glasses > Firmware in the app or for nRF Connect:

• frame-firmware-v26.299.1345-glaz.zip -- ours, branch glaz/main of antono/frame-codebase
• frame-firmware-v25.278.1113.zip -- the newest official release

The Linux bundle needs GStreamer (base and good plugins) and BlueZ.

Full Changelog: v4.1.0...v4.2.0