Update docker-compose.yml to use the latest iotdb (#24)

diff --git a/docker-compose.yml b/docker-compose.yml
index 481e929..df2b2c8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -16,7 +16,7 @@
           ipv4_address: 172.18.0.2
       
   iotdb:
-   image: apache/iotdb:1.3.2-datanode
+   image: apache/iotdb:1.3.3-datanode
    restart: always
    container_name: iotdb-dn-1
    depends_on:
@@ -39,7 +39,7 @@
          - dn_seed_config_node=iotdb-confignode-1:22277
   
   iotdb-confignode-1:
-   image: apache/iotdb:1.3.2-confignode
+   image: apache/iotdb:1.3.3-confignode
    restart: always
    container_name: iotdb-cn-1
    healthcheck: