enhance:[skip e2e]update one pod helm values (#31425)

pr: https://github.com/milvus-io/milvus/pull/31400

Signed-off-by: zhuwenxing <wenxing.zhu@zilliz.com>

tests/python_client/chaos/one-pod-standalone-values.yaml

@@ -12,6 +12,10 @@ minio:
     enabled: false
 pulsar:
   enabled: false
+standalone:
+  extraEnv:
+  - name: ETCD_CONFIG_PATH
+    value: /milvus/configs/advanced/etcd.yaml
 extraConfigFiles:
   user.yaml: |+
     etcd:
@@ -20,4 +24,4 @@ extraConfigFiles:
       data:
         dir: /var/lib/milvus/etcd
     common:
-      storageType: local
+      storageType: local