Update main.parameters.json

point to the right registry

Author: hdmeyer

infra/main.parameters.json

@@ -9,7 +9,7 @@
             "value": "${AZURE_LOCATION}"
         },
         "containerImage": {
-            "value": "ghcr.io/imicknl/azure-genesys-audiohook-server:latest"
+            "value": "ghcr.io/azure-samples/azure-genesys-audiohook-server:latest"
         },
         "speechProvider": {
             "value": "${SPEECH_PROVIDER}"