Disable local resolution of parent pom

This is part of archetype also : https://github.com/jenkinsci/archetypes/blob/master/hello-world/src/main/resources/archetype-resources/pom.xml#L9

Author: jonesbusy

pom.xml

@@ -6,6 +6,7 @@
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
         <version>4.87</version>
+        <relativePath />
     </parent>
 
     <properties>