update version

Author: wyfanxiao

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>com.oceanbase</groupId>
     <artifactId>obkv-table-client</artifactId>
-    <version>1.3.0-SNAPSHOT</version>
+    <version>1.2.12-SNAPSHOT</version>
 
     <name>${project.groupId}:${project.artifactId}</name>
     <description>OceanBase JavaClient for TableApi</description>