[maven-release-plugin] prepare release temp

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/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>org.liquibase</groupId>
     <artifactId>liquibase-parent-pom</artifactId>
     <name>Liquibase Parent POM</name>
-    <version>0.5.5-SNAPSHOT</version>
+    <version>0.5.5</version>
     <description>Liquibase Parent POM for all Extensions</description>
     <url>https://github.com/liquibase/liquibase-parent-pom</url>
     <packaging>pom</packaging>
@@ -100,7 +98,7 @@
     <scm>
         <connection>scm:git:${project.url}.git</connection>
         <url>${project.url}</url>
-        <tag>HEAD</tag>
+        <tag>temp</tag>
     </scm>
 
     <distributionManagement>