Bump version to 0.3.0-SNAPSHOT (#28)

## Description

Bump version to 0.3.0-SNAPSHOT


## Type of Change

* New feature (non-breaking change which adds functionality)

## Checklist

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas
- [x] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit/integration tests pass locally with my
changes

Signed-off-by: Jakub Stejskal <[email protected]>

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>io.skodjob</groupId>
     <artifactId>data-generator</artifactId>
-    <version>0.2.0-SNAPSHOT</version>
+    <version>0.3.0-SNAPSHOT</version>
 
     <licenses>
         <license>