change 1.3.0 to 1.3.0-snapshot

dolphinscheduler-microbench/pom.xml

@@ -21,7 +21,7 @@
     <parent>
         <artifactId>dolphinscheduler</artifactId>
         <groupId>org.apache.dolphinscheduler</groupId>
-        <version>1.2.1-SNAPSHOT</version>
+        <version>1.3.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>