[maven-release-plugin] prepare for next development iteration

Author: Daniel Muehlbachler

pom.xml

@@ -1,12 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>com.github.checkstyle</groupId>
   <artifactId>checkstyle-sonar-plugin</artifactId>
-  <version>4.28-SNAPSHOT</version>
+  <version>4.29-SNAPSHOT</version>
   <packaging>sonar-plugin</packaging>
 
   <name>Checkstyle SonarQube Plugin</name>