[maven-release-plugin] prepare release maven-help-plugin-3.4.0
diff --git a/pom.xml b/pom.xml
index 1553aa4..e65cf1a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
   </parent>
 
   <artifactId>maven-help-plugin</artifactId>
-  <version>3.3.1-SNAPSHOT</version>
+  <version>3.4.0</version>
   <packaging>maven-plugin</packaging>
 
   <name>Apache Maven Help Plugin</name>
@@ -45,7 +45,7 @@
   <scm>
     <connection>scm:git:https://gitbox.apache.org/repos/asf/maven-help-plugin.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/maven-help-plugin.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>maven-help-plugin-3.4.0</tag>
     <url>https://github.com/apache/maven-help-plugin/tree/${project.scm.tag}</url>
   </scm>
   <issueManagement>
@@ -66,7 +66,7 @@
   <properties>
     <javaVersion>8</javaVersion>
     <mavenVersion>3.6.3</mavenVersion>
-    <project.build.outputTimestamp>2022-08-14T12:24:27Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2023-03-14T21:31:27Z</project.build.outputTimestamp>
   </properties>
 
   <dependencies>