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

pom.xml

@@ -4,7 +4,7 @@
 
 	<groupId>com.gitee.flying-cattle</groupId>
 	<artifactId>mybatis-dsc-generator</artifactId>
-	<version>3.0.7.RELEASE</version>
+	<version>3.0.8.SNAPSHOT</version>
 	<packaging>jar</packaging>
 
 	<name>mybatis-dsc-generator</name>
@@ -28,7 +28,7 @@
 		<connection>scm:git:https://gitee.com/flying-cattle/mybatis-dsc-generator.git</connection>
 		<developerConnection>scm:git:https://gitee.com/flying-cattle/mybatis-dsc-generator.git</developerConnection>
 		<url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
-		<tag>v3.0.7.RELEASE</tag>
+		<tag>HEAD</tag>
 	</scm>
 
 	<properties>