Roll back to use POM 2.19 instead of newest POM 2.26 due to its bug

Author: Ubuntu

pom.xml

@@ -3,7 +3,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>2.26</version>
+    <version>2.19</version>
   </parent>
 
   <artifactId>codedeploy</artifactId>