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

pom.xml

@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.spdx</groupId>
 	<artifactId>licenseListPublisher</artifactId>
-	<version>3.0.0</version>
+	<version>3.0.1-SNAPSHOT</version>
 	<name>License List Publisher</name>
 	<description>Tool that generates license data found in the license-list-data repository from the license-list-XML source</description>
 	<licenses>
@@ -30,7 +30,7 @@
   	<url>https://github.com/spdx/LicenseListPublisher</url>
   	<connection>scm:git:ssh://git@github.com:spdx/LicenseListPublisher</connection>
   	<developerConnection>scm:git:git@github.com:spdx/LicenseListPublisher</developerConnection>
-  	<tag>v3.0.0</tag>
+  	<tag>master</tag>
   </scm>
 	<distributionManagement>
 	  <repository>