[release] prepare for next development iteration

Change-Id: Id7f74d27debc6e09534553e4fe2cdf709f5783f8
Reviewed-on: https://git.eclipse.org/r/c/scout/maven-master/+/175594
Tested-by: Arthur van Dorp <Arthur.vanDorp@bsi-software.com>
Reviewed-by: Arthur van Dorp <Arthur.vanDorp@bsi-software.com>
diff --git a/maven_plugin_version-master/pom.xml b/maven_plugin_version-master/pom.xml
index bb7eb7c..99ccb11 100644
--- a/maven_plugin_version-master/pom.xml
+++ b/maven_plugin_version-master/pom.xml
@@ -8,7 +8,7 @@
 
   <groupId>org.eclipse.scout</groupId>
   <artifactId>maven_plugin_version-master</artifactId>
-  <version>3.13.2</version>
+  <version>3.13.3-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>Maven Master Plugin Version Configuration</name>
   <description>Maven Master hosted at Eclipse Scout</description>
@@ -571,7 +571,7 @@
   <scm>
     <connection>scm:git:git://git.eclipse.org/gitroot/scout/maven-master.git</connection>
     <developerConnection>scm:git:ssh://${eclipse_gerrit_username}@git.eclipse.org:29418/scout/maven-master.git</developerConnection>
-    <tag>v3.13.2</tag>
+    <tag>master</tag>
     <url>https://git.eclipse.org/c/scout/maven-master.git/</url>
   </scm>