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

Author: ditschedev

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>dev.ditsche</groupId>
     <artifactId>validator</artifactId>
-    <version>2.2.0</version>
+    <version>2.2.1-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 
@@ -75,7 +75,7 @@
         <connection>scm:git://github.com:ditschedev/validator.git</connection>
         <developerConnection>scm:git:[email protected]:ditschedev/validator.git</developerConnection>
         <url>https://github.com/ditschedev/validator</url>
-        <tag>2.2.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <build>