tune: increase FourthDensityEffect pitch modulation depth by 10% (350.0 -> 385.0)

zyrarbot/audio/effects/fourth_density.py

@@ -18,7 +18,7 @@ class FourthDensityEffect(AudioEffect):
     def __init__(
         self,
         rate_hz: float = 1.0,
-        depth_samples: float = 350.0,
+        depth_samples: float = 385.0,
         base_delay: float = 450.0,
         buffer_size: int = 2400,
     ) -> None: