v0.12.2

• RP2040 platform changes:
  • New constructor for multi-bus setup added.
  • PIO selection moved from config param to driver constructor.
  • Support for the new RP2040 core added.
  • Mbed OS rp2040_piosm_num_used config parameter fix.
• Placeholder utility class: operator->() added. Simplified usage of the class in the examples.
• Static code analysis fixes
• Various CI improvements