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

Author: basil

pom.xml

@@ -27,7 +27,7 @@
 
   <groupId>org.jenkins-ci.plugins</groupId>
   <artifactId>plugin</artifactId>
-  <version>5.3</version>
+  <version>5.4-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Jenkins Plugin Parent POM</name>
@@ -37,7 +37,7 @@
   <scm>
     <connection>scm:git:https://github.com/jenkinsci/plugin-pom.git</connection>
     <developerConnection>scm:git:[email protected]:jenkinsci/plugin-pom.git</developerConnection>
-    <tag>plugin-5.3</tag>
+    <tag>HEAD</tag>
     <url>https://github.com/jenkinsci/plugin-pom</url>
   </scm>