fix: health check command of ng_ai networkx

Author: wey-gu

optional_workload/docker-compose-ngai-nx.yaml

@@ -10,11 +10,7 @@ services:
     volumes:
       - ./:/home/jovyan
     healthcheck:
-      test:
-        - "wget"
-        - "-q"
-        - "--spider"
-        - "http://127.0.0.1:8888"
+      test: ["CMD", "wget", "-q", "--spider", "http://127.0.0.1:8888"]
       interval: 30s
       timeout: 10s
       retries: 3