Update pom.xml

docs/examples/java/pom.xml

@@ -21,7 +21,7 @@
     <dependency>
       <groupId>com.taosdata.jdbc</groupId>
       <artifactId>taos-jdbcdriver</artifactId>
-      <version>3.0.0</version>
+      <version>3.1.0</version>
     </dependency>
 <!--    ANCHOR_END: dep-->
     <dependency>