chore(release): bump version to 3.0.x.20260730

Author: loong10k

pom.xml

@@ -6,7 +6,7 @@
     <name>${project.groupId}:${project.artifactId}</name>
     <url>https://github.com/easy-4-java/${project.artifactId}</url>
     <description>OpenCode Java SDK - JDK 21 line</description>
-    <version>3.0.x.20260730-SNAPSHOT</version>
+    <version>3.0.x.20260730</version>
     <packaging>jar</packaging>