upgrade version to v1.30

Author: happyfish100

README.md

@@ -26,7 +26,7 @@ mvn install:install-file -DgroupId=org.csource -DartifactId=fastdfs-client-java
 <dependency>
     <groupId>org.csource</groupId>
     <artifactId>fastdfs-client-java</artifactId>
-    <version>1.29-SNAPSHOT</version>
+    <version>1.30-SNAPSHOT</version>
 </dependency>
 ```