ButterFlight v3.4.0
Aligned with BetaFlight v3.3.0, 1 minor version bump to indicate addition of FKF/BiquadRC+FIR2 CLI option, lua additions, and AKK SmartAudio fix
Aligned with BetaFlight v3.3.0, 1 minor version bump to indicate addition of FKF/BiquadRC+FIR2 CLI option, lua additions, and AKK SmartAudio fix