[agent-operator] -cmii image sync

agent-operator/image/middle-image.txt

@@ -10,6 +10,7 @@ bitnami/rabbitmq:3.11.26-debian-11-r2
 ossrs/srs:v4.0.136
 ossrs/srs:v5.0.195
 emqx/emqx:4.2.12
+emqx/emqx:5.5.1
 nacos/nacos-server:v2.1.2
 nacos/nacos-server:v2.1.2-slim
 mongo:5.0
@@ -18,7 +19,6 @@ bitnami/minio:2022.5.4
 bitnami/minio:2023.5.4
 kubernetesui/dashboard:v2.0.1
 kubernetesui/metrics-scraper:v1.0.4
-ossrs/srs:v4.0-r3
 nginx:1.21.3
 redis:6.0.20-alpine
 dyrnq/nfs-subdir-external-provisioner:v4.0.2