Revert broken flatten version

Author: filip26

pom_parent.xml

@@ -183,7 +183,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>flatten-maven-plugin</artifactId>
-        <version>1.7.0</version>
+        <version>1.3.0</version>
         <configuration>
           <flattenMode>ossrh</flattenMode>
         </configuration>