version bump to 1.9.0 (#129)

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: 1.8.3
-appVersion: "v1.8.3"
+version: 1.9.0
+appVersion: "v1.9.0"
 
 sources:
   - https://github.com/livekit/livekit