cdc: update patch command in cdc new architecture guide (#22347)

Author: lidezhu

ticdc/ticdc-architecture.md

@@ -176,7 +176,7 @@ To deploy TiCDC nodes in the new architecture using TiUP, take the following ste
 4. Patch the downloaded TiCDC binary file to your TiDB cluster using the [`tiup cluster patch`](/tiup/tiup-component-cluster-patch.md) command:
 
     ```shell
-    tiup cluster patch <cluster-name> ./cdc-v8.5.4-release.1-linux-amd64.tar.gz -R cdc
+    tiup cluster patch <cluster-name> ./cdc-v8.5.4-release.1-linux-amd64.tar.gz -R cdc --overwrite
     ```
 
 5. Update the TiCDC configuration using the [`tiup cluster edit-config`](/tiup/tiup-component-cluster-edit-config.md) command to enable the new architecture: