update to killbill-oss-parent:0.147.15

Author: xsalefter

pom.xml

@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.kill-bill.billing</groupId>
         <artifactId>killbill-oss-parent</artifactId>
-        <version>0.147.9</version>
+        <version>0.147.15</version>
     </parent>
     <artifactId>killbill-platform</artifactId>
     <version>0.42.2-SNAPSHOT</version>