fix (samples) Warning about wrong relativePath for parent (#508)

* Disabled local file search for parent in pom.

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

retail/interactive-tutorials/pom.xml

@@ -17,6 +17,7 @@
     <groupId>com.google.cloud.samples</groupId>
     <artifactId>shared-configuration</artifactId>
     <version>1.2.0</version>
+    <relativePath/>
   </parent>
 
   <properties>