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

Author: LinuxSuRen

pom.xml

@@ -9,10 +9,10 @@
   </parent>
   <groupId>io.jenkins.plugins</groupId>
   <artifactId>gitlab-branch-source</artifactId>
-  <version>1.5.7</version>
+  <version>${revision}${changelist}</version>
   <packaging>hpi</packaging>
   <properties>
-    <revision>1.5.7</revision>
+    <revision>1.5.8</revision>
     <changelist>-SNAPSHOT</changelist>
     <jenkins.version>2.263.4</jenkins.version>
     <java.level>8</java.level>
@@ -218,7 +218,7 @@
     <developerConnection>scm:git:git@github.com:jenkinsci/${project.artifactId}-plugin.git
     </developerConnection>
     <url>https://github.com/jenkinsci/${project.artifactId}-plugin</url>
-    <tag>gitlab-branch-source-1.5.7</tag>
+    <tag>${scmTag}</tag>
   </scm>
 
   <build>