update version [ci skip]

Author: longbai

src/com/qiniu/conf/Conf.java

@@ -1,7 +1,7 @@
 package com.qiniu.conf;
 
 public class Conf {
-    public static final String VERSION = "6.0.4";
+    public static final String VERSION = "6.0.5";
     public static String UP_HOST = "http://upload.qiniu.com";
     public static String UP_HOST2 = "http://up.qiniu.com";