Speculos

Changed
- OCR: Change Stax OCR method. Don't use Tesseract anymore.
- CI: Remove CI job dependency to allow deployment if wanted

Added
- API_LEVEL: Add support for API_LEVEL_12 for corresponding device

Fixed
- Seproxyhal: Fix SeProxyHal emulation

Fixed
- Seproxyhal: Fix SeProxyHal issue when on LNSP / LNX and HAVE_PRINTF is enabled

Added
- API: Add a ticker/ endpoint to allow control of the ticks sent to the app

Fixed
- OCR: Fix OCR on NanoX and NanoSP based on API_LEVEL_5 and upper
- Seproxyhal: Fix SeProxyHal emulation to match real devices behavior

Changed
- OCR: Lazy evaluation of screenshot content, performance improvement on Stax

Fixed
- OCR: screenshot publish is no longer desynchronized with event publish

Fixed
- svc: Fixed emulation of os_lib_call for latest SDK API levels