[maven-release-plugin] prepare release v3.0.0

Author: eclipse-uprotocol-bot

pom.xml

@@ -17,7 +17,7 @@
     <artifactId>up-java</artifactId>
     <name>Java Library for uProtocol</name>
     <description>Language specific uProtocol library for building and using UUri, UUID, UAttributes, UTransport, and more</description>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>3.0.0</version>
     <packaging>jar</packaging>
     <url>https://github.com/eclipse-uprotocol/up-java/</url>    
 
@@ -44,7 +44,8 @@
         <connection>scm:git:https://github.com/eclipse-uprotocol/up-java.git</connection>
         <developerConnection>scm:git:https://github.com/eclipse-uprotocol/up-java.git</developerConnection>
         <url>https://github.com/eclipse-uprotocol/up-java</url>
-    </scm>
+      <tag>v3.0.0</tag>
+  </scm>
 
     <pluginRepositories>
         <pluginRepository>