[maven-release-plugin] prepare release v0.6

pom.xml

@@ -1,10 +1,8 @@
-<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/xsd/maven-4.0.0.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/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.github.maxbechtold</groupId>
     <artifactId>golden-master</artifactId>
-    <version>0.6.0-SNAPSHOT</version>
+    <version>0.6.0</version>
     <name>Golden Master JUnit Extension</name>
     <description>Framework for painless Golden Master Testing</description>
     <inceptionYear>2017</inceptionYear>
@@ -20,7 +18,7 @@
         <connection>scm:git:[email protected]:maxbechtold/golden-master.git</connection>
         <developerConnection>scm:git:[email protected]:maxbechtold/golden-master.git</developerConnection>
         <url>[email protected]:maxbechtold/golden-master.git</url>
-        <tag>HEAD</tag>
+        <tag>v0.6</tag>
     </scm>
 
     <dependencies>