Update livekit to 1.7.0

Author: davidzhao

livekit-server/Chart.yaml

@@ -2,8 +2,8 @@ apiVersion: v2
 name: livekit-server
 description: Real-time infrastructure for developers. LiveKit is the open source stack for streaming audio, video, and data.
 type: application
-version: 1.6.0
-appVersion: "v1.6.0"
+version: 1.7.0
+appVersion: "v1.7.0"
 
 sources:
   - https://github.com/livekit/livekit