Update IoTDB version to 2.0.6 for E2E testing

- Update docker-compose-1c1d.yml to use apache/iotdb:2.0.6-confignode and 2.0.6-datanode
- Update docker-compose-3c3d.yml to use apache/iotdb:2.0.6-confignode and 2.0.6-datanode
- Update CI_CD_SUMMARY.md documentation to reflect version 2.0.6
- All services now use IoTDB 2.0.6 for better compatibility and latest features

CI_CD_SUMMARY.md

diff --git a/CI_CD_SUMMARY.md b/CI_CD_SUMMARY.md
index 435e8a9..8b18027 100644
--- a/CI_CD_SUMMARY.md
+++ b/CI_CD_SUMMARY.md
@@ -40,14 +40,14 @@
 1. **`docker-compose-1c1d.yml`**
    - Single node IoTDB setup
    - Services: 1 ConfigNode + 1 DataNode + test container
-   - Uses `apache/iotdb:1.3.6-confignode` and `apache/iotdb:1.3.6-datanode` images
+   - Uses `apache/iotdb:2.0.6-confignode` and `apache/iotdb:2.0.6-datanode` images
    - Bridge network configuration
    - Health checks for all services
 
 2. **`docker-compose-3c3d.yml`**
    - Multi-node cluster setup
    - Services: 3 ConfigNodes + 3 DataNodes + test container
-   - Uses `apache/iotdb:1.3.6-confignode` and `apache/iotdb:1.3.6-datanode` images
+   - Uses `apache/iotdb:2.0.6-confignode` and `apache/iotdb:2.0.6-datanode` images
    - Replication factors set to 3
    - Sequential startup with dependencies
    - Multiple ports exposed (6667, 6668, 6669)

docker-compose-1c1d.yml

diff --git a/docker-compose-1c1d.yml b/docker-compose-1c1d.yml
index 6734b16..e99da3e 100644
--- a/docker-compose-1c1d.yml
+++ b/docker-compose-1c1d.yml
@@ -16,7 +16,7 @@
     command: ["npm", "run", "test:e2e"]
 
   iotdb-datanode:
-    image: apache/iotdb:1.3.6-datanode
+    image: apache/iotdb:2.0.6-datanode
     container_name: iotdb-datanode
     restart: always
     depends_on:
@@ -38,7 +38,7 @@
       - dn_seed_config_node=iotdb-confignode:10710
 
   iotdb-confignode:
-    image: apache/iotdb:1.3.6-confignode
+    image: apache/iotdb:2.0.6-confignode
     container_name: iotdb-confignode
     restart: always
     healthcheck:

docker-compose-3c3d.yml

diff --git a/docker-compose-3c3d.yml b/docker-compose-3c3d.yml
index adb958b..988c393 100644
--- a/docker-compose-3c3d.yml
+++ b/docker-compose-3c3d.yml
@@ -21,7 +21,7 @@
 
   # ConfigNode 1
   iotdb-confignode-1:
-    image: apache/iotdb:1.3.6-confignode
+    image: apache/iotdb:2.0.6-confignode
     container_name: iotdb-confignode-1
     restart: always
     healthcheck:
@@ -41,7 +41,7 @@
 
   # ConfigNode 2
   iotdb-confignode-2:
-    image: apache/iotdb:1.3.6-confignode
+    image: apache/iotdb:2.0.6-confignode
     container_name: iotdb-confignode-2
     restart: always
     healthcheck:
@@ -64,7 +64,7 @@
 
   # ConfigNode 3
   iotdb-confignode-3:
-    image: apache/iotdb:1.3.6-confignode
+    image: apache/iotdb:2.0.6-confignode
     container_name: iotdb-confignode-3
     restart: always
     healthcheck:
@@ -89,7 +89,7 @@
 
   # DataNode 1
   iotdb-datanode-1:
-    image: apache/iotdb:1.3.6-datanode
+    image: apache/iotdb:2.0.6-datanode
     container_name: iotdb-datanode-1
     restart: always
     healthcheck:
@@ -115,7 +115,7 @@
 
   # DataNode 2
   iotdb-datanode-2:
-    image: apache/iotdb:1.3.6-datanode
+    image: apache/iotdb:2.0.6-datanode
     container_name: iotdb-datanode-2
     restart: always
     healthcheck:
@@ -143,7 +143,7 @@
 
   # DataNode 3
   iotdb-datanode-3:
-    image: apache/iotdb:1.3.6-datanode
+    image: apache/iotdb:2.0.6-datanode
     container_name: iotdb-datanode-3
     restart: always
     healthcheck: