[IMP] update pom version

Author: 王灏

pom.xml

@@ -3,7 +3,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>devops-service</artifactId>
-    <version>1.2.5.RELEASE</version>
+    <version>1.2.6.RELEASE</version>
     <packaging>jar</packaging>
     <url>https://github.com/open-hand/devops-service</url>