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

pom.xml

@@ -12,7 +12,7 @@
   <groupId>org.kohsuke.stapler</groupId>
   <artifactId>maven-stapler-plugin</artifactId>
   <packaging>maven-plugin</packaging>
-  <version>1.19</version>
+  <version>${revision}${changelist}</version>
 
   <name>Maven Stapler plugin</name>
   <description>Maven2 plugin for developing stapler applications</description>
@@ -22,7 +22,7 @@
     <connection>scm:git:https://github.com/${gitHubRepo}.git</connection>
     <developerConnection>scm:git:[email protected]:${gitHubRepo}.git</developerConnection>
     <url>https://github.com/${gitHubRepo}</url>
-    <tag>maven-stapler-plugin-1.19</tag>
+    <tag>${scmTag}</tag>
   </scm>
 
   <licenses>
@@ -47,7 +47,7 @@
   </pluginRepositories>
 
   <properties>
-    <revision>1.19</revision>
+    <revision>1.20</revision>
     <changelist>-SNAPSHOT</changelist>
     <gitHubRepo>jenkinsci/${project.artifactId}</gitHubRepo>
     <maven.version>3.8.6</maven.version>