Update github.com/livekit/mediatransportutil digest to c137aff (#318)

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/go-logr/logr v1.2.4
 	github.com/go-logr/stdr v1.2.2
 	github.com/gorilla/websocket v1.5.0
-	github.com/livekit/mediatransportutil v0.0.0-20231003064835-a51e0ca1b1fd
+	github.com/livekit/mediatransportutil v0.0.0-20231005043905-c137afffe71c
 	github.com/livekit/protocol v1.8.0
 	github.com/magefile/mage v1.15.0
 	github.com/pion/dtls/v2 v2.2.7

go.sum

@@ -69,8 +69,8 @@ github.com/lithammer/shortuuid/v4 v4.0.0 h1:QRbbVkfgNippHOS8PXDkti4NaWeyYfcBTHtw
 github.com/lithammer/shortuuid/v4 v4.0.0/go.mod h1:Zs8puNcrvf2rV9rTH51ZLLcj7ZXqQI3lv67aw4KiB1Y=
 github.com/livekit/mageutil v0.0.0-20230125210925-54e8a70427c1 h1:jm09419p0lqTkDaKb5iXdynYrzB84ErPPO4LbRASk58=
 github.com/livekit/mageutil v0.0.0-20230125210925-54e8a70427c1/go.mod h1:Rs3MhFwutWhGwmY1VQsygw28z5bWcnEYmS1OG9OxjOQ=
-github.com/livekit/mediatransportutil v0.0.0-20231003064835-a51e0ca1b1fd h1:Dqfr8ehKCukEYE9zr0C035VAOmMq8lntE4iD/DE7504=
-github.com/livekit/mediatransportutil v0.0.0-20231003064835-a51e0ca1b1fd/go.mod h1:+WIOYwiBMive5T81V8B2wdAc2zQNRjNQiJIcPxMTILY=
+github.com/livekit/mediatransportutil v0.0.0-20231005043905-c137afffe71c h1:eTghhsCfx2ltyzArXZ7wiNoFFzbfLXJ4uI/IsLXFZQc=
+github.com/livekit/mediatransportutil v0.0.0-20231005043905-c137afffe71c/go.mod h1:+WIOYwiBMive5T81V8B2wdAc2zQNRjNQiJIcPxMTILY=
 github.com/livekit/protocol v1.8.0 h1:0z2eRmEXFFXiJ7WPAxRLMNCyUu55w41iikbbeT8dvlQ=
 github.com/livekit/protocol v1.8.0/go.mod h1:zbh0QPUcLGOeZeIO/VeigwWWbudz4Lv+Px94FnVfQH0=
 github.com/livekit/psrpc v0.3.3 h1:+lltbuN39IdaynXhLLxRShgYqYsRMWeeXKzv60oqyWo=