update sidecar

Author: YunchuWang

.github/workflows/build-validation.yml

@@ -46,7 +46,7 @@ jobs:
 
       # TODO: Move the sidecar into a central image repository
     - name: Initialize Durable Task Sidecar
-      run: docker run --name durabletask-sidecar -p 4001:4001 --env 'DURABLETASK_SIDECAR_LOGLEVEL=Debug' -d kaibocai/durabletask-sidecar:latest start --backend Emulator
+      run: docker run --name durabletask-sidecar -p 4001:4001 --env 'DURABLETASK_SIDECAR_LOGLEVEL=Debug' -d peterstone2019/durabletask-sidecar:latest start --backend Emulator
 
       # wait for 10 seconds, so sidecar container can be fully up, this will avoid intermittent failing issues for integration tests causing by failed to connect to sidecar
     - name: Wait for 10 seconds