[maven-release-plugin] prepare release workflow-api-2.31

Author: dwnusbaum

pom.xml

@@ -33,7 +33,7 @@
     </parent>
     <groupId>org.jenkins-ci.plugins.workflow</groupId>
     <artifactId>workflow-api</artifactId>
-    <version>${revision}${changelist}</version>
+    <version>2.31</version>
     <packaging>hpi</packaging>
     <name>Pipeline: API</name>
     <url>https://wiki.jenkins.io/display/JENKINS/Pipeline+API+Plugin</url>
@@ -47,7 +47,7 @@
         <connection>scm:git:git://github.com/jenkinsci/${project.artifactId}-plugin.git</connection>
         <developerConnection>scm:git:git@github.com:jenkinsci/${project.artifactId}-plugin.git</developerConnection>
         <url>https://github.com/jenkinsci/${project.artifactId}-plugin</url>
-        <tag>${scmTag}</tag>
+        <tag>workflow-api-2.31</tag>
     </scm>
     <repositories>
         <repository>