Oli Larkin updates Dronebox to v2.3 and Polycomb to v1.3

Oli Larkin has updated Dronebox to v2.3 and Polycomb to v1.3.

Dronebox v2.3 changes:

• All controls can now be automated.
• Oscillator waveform text corrected.

Polycomb v1.3 changes:

• All controls can now be automated.