Bump development version to 0.3.0-SNAPSHOT

Author: github-actions

pom.xml

@@ -6,7 +6,7 @@
 
   <groupId>com.getindata</groupId>
   <artifactId>flink-connector-jdbc-elasticsearch-dialect</artifactId>
-  <version>0.2.1</version>
+  <version>0.3.0-SNAPSHOT</version>
 
   <name>flink-connector-jdbc-elasticsearch-dialect</name>
   <description>Elasticsearch SQL Dialect for flink-connector-jdbc.</description>