Update LiveKit repo reference to include patched webrtc

Specifically to pull in webrtc-sdk/webrtc#156

Author: mgsloan

Cargo.lock

@@ -393,7 +393,7 @@ jupyter-protocol = { version = "0.3.0" }
 jupyter-websocket-client = { version = "0.5.0" }
 libc = "0.2"
 linkify = "0.10.0"
-livekit = { git = "https://github.com/zed-industries/rust-sdks", rev="4262308983646ab5b0e0802c3d8bc52154f99aab", features = ["dispatcher", "services-dispatcher", "rustls-tls-native-roots"], default-features = false }
+livekit = { git = "https://github.com/zed-industries/rust-sdks", rev="c7b7b64f65ae75b6839de8b311e2a131f4204100", features = ["dispatcher", "services-dispatcher", "rustls-tls-native-roots"], default-features = false }
 log = { version = "0.4.16", features = ["kv_unstable_serde", "serde"] }
 markup5ever_rcdom = "0.3.0"
 nanoid = "0.4"