fix(docker-compose): 使用命名卷替代 bind mount，解决宿主机 /data 目录不存在导致的启动失败

docker-compose/docker-compose.external-observability.yaml

@@ -63,21 +63,6 @@ services:
       - ./grafana/grafana_dashboards:/etc/dashboards:ro
 
 volumes:
-  postgres-data:
-    driver: local
-    driver_opts:
-      type: none
-      o: bind
-      device: /data/postgres
-  prom_data:
-    driver: local
-    driver_opts:
-      type: none
-      o: bind
-      device: /data/prometheus
-  mass-base-data:
-    driver: local
-    driver_opts:
-      type: none
-      o: bind
-      device: /data/gpustack
+  postgres-data: {}
+  prom_data: {}
+  mass-base-data: {}