feat: convert PacketTrailerFeature -> FrameMetadataFeature

Author: 1egoman

livekit-rtc/livekit/rtc/__init__.py

@@ -37,7 +37,7 @@
     VideoEncoding,
 )
 from ._proto.track_pb2 import (
-    PacketTrailerFeature,
+    FrameMetadataFeature,
     StreamState,
     TrackKind,
     TrackSource,
@@ -148,6 +148,7 @@
     "StreamState",
     "TrackKind",
     "TrackSource",
+    "FrameMetadataFeature",
     "PacketTrailerFeature",
     "ParticipantTrackPermission",
     "VideoBufferType",