[oss gateway] fix pom.xml version

Author: dddinary

alibabacloud-gateway-oss/java/pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.aliyun</groupId>
   <artifactId>alibabacloud-gateway-oss</artifactId>
-  <version>0.0.19</version>
+  <version>0.0.20</version>
   <packaging>jar</packaging>
   <name>alibabacloud-gateway-oss</name>
   <description>