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

Author: joehni

pom.xml

@@ -13,7 +13,7 @@
   <groupId>io.github.x-stream</groupId>
   <artifactId>mxparser</artifactId>
   <packaging>jar</packaging>
-  <version>1.2.3</version>
+  <version>1.2.4-SNAPSHOT</version>
   <name>MXParser</name>
   <url>http://x-stream.github.io/mxparser</url>
   <description>
@@ -613,7 +613,7 @@
     <url>https://github.com/x-stream/mxparser</url>
     <developerConnection>scm:git:ssh://[email protected]/x-stream/mxparser.git</developerConnection>
     <connection>scm:git:ssh://[email protected]/x-stream/mxparser.git</connection>
-    <tag>v-1.2.3</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <properties>