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

pom.xml

@@ -11,14 +11,14 @@
     <packaging>jar</packaging>
     <groupId>org.webjars</groupId>
     <artifactId>swagger-ui</artifactId>
-    <version>5.13.0</version>
+    <version>5.13.1-SNAPSHOT</version>
     <name>Swagger UI</name>
     <description>WebJar for Swagger UI</description>
     <url>http://webjars.org</url>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.build.outputTimestamp>1711731242</project.build.outputTimestamp>
+        <project.build.outputTimestamp>1711731255</project.build.outputTimestamp>
         <upstream.url>https://github.com/swagger-api/swagger-ui/archive/v${version.unsnapshot}.zip</upstream.url>
         <destDir>${project.build.outputDirectory}/META-INF/resources/webjars/${project.artifactId}/${project.version}</destDir>
         <requirejs>
@@ -48,7 +48,7 @@
         <url>http://github.com/webjars/swagger-ui</url>
         <connection>scm:git:https://github.com/webjars/swagger-ui.git</connection>
         <developerConnection>scm:git:https://github.com/webjars/swagger-ui.git</developerConnection>
-        <tag>swagger-ui-5.13.0</tag>
+        <tag>swagger-ui-5.12.0</tag>
     </scm>
 
     <build>