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

pom.xml

@@ -9,15 +9,15 @@
   </parent>
 
   <artifactId>winstone</artifactId>
-  <version>6.19</version>
+  <version>${revision}${changelist}</version>
   <packaging>jar</packaging>
 
   <name>Winstone</name>
   <description>Winstone is a command line wrapper around Jetty</description>
   <url>https://github.com/jenkinsci/${project.artifactId}</url>
 
   <properties>
-    <revision>6.19</revision>
+    <revision>6.20</revision>
     <changelist>-SNAPSHOT</changelist>
     <jetty.version>10.0.20</jetty.version>
     <slf4j.version>2.0.13</slf4j.version>
@@ -200,7 +200,7 @@
     <connection>scm:git:https://github.com/${gitHubRepo}.git</connection>
     <developerConnection>scm:git:git@github.com:${gitHubRepo}.git</developerConnection>
     <url>https://github.com/${gitHubRepo}</url>
-    <tag>winstone-6.19</tag>
+    <tag>${scmTag}</tag>
   </scm>
 
   <dependencyManagement>