[docs] fix version() example
@@ -15,9 +15,9 @@ SELECT VERSION()
```
mysql> SELECT VERSION();
-+-------------------------------------------------------------------------------+
-| VERSION() |
-+-------------------------------------------------------------------------------+
-| DatafuseQuery v-0.1.0-3afb26c(1.54.0-nightly-2021-06-09T07:56:09.461981495+00:00) |
-+-------------------------------------------------------------------------------+
++----------------------------------------------------------------------------------------+
+| version() |
++----------------------------------------------------------------------------------------+
+| DatafuseQuery v-0.1.0-0f9ec31-simd(1.56.0-nightly-2021-08-10T15:25:36.875868571+00:00) |
++----------------------------------------------------------------------------------------+
```
