build: 补齐 Maven Central 发布配置（licenses/scm/sources/javadoc/gpg/central-publishing 插件）

Author: loong10k

pom.xml

@@ -48,7 +48,8 @@
 	</distributionManagement>
 
     <properties>
-        <java.version>1.8</java.version>
+        <central-publishing-maven-plugin.version>0.7.0</central-publishing-maven-plugin.version>
+		<java.version>1.8</java.version>
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>