allow processor to be set on room input option

Author: lukasIO

livekit-agents/livekit/agents/voice/room_io/room_io.py

@@ -68,7 +68,9 @@ class RoomInputOptions:
     """If not given, default to False."""
     audio_sample_rate: int = 24000
     audio_num_channels: int = 1
-    noise_cancellation: rtc.NoiseCancellationOptions | None = None
+    noise_cancellation: rtc.NoiseCancellationOptions | rtc.FrameProcessor[rtc.AudioFrame] | None = (
+        None
+    )
     text_input_cb: TextInputCallback = _default_text_input_cb
     participant_kinds: NotGivenOr[list[rtc.ParticipantKind.ValueType]] = NOT_GIVEN
     """Participant kinds accepted for auto subscription. If not provided,