change tag to head for next-release

Author: sindhusri16

pom.xml

@@ -75,7 +75,7 @@
     <connection>scm:git:https://github.com/jenkinsci/oracle-cloud-infrastructure-compute-plugin</connection>
     <developerConnection>scm:git:git@github.com:jenkinsci/oracle-cloud-infrastructure-compute-plugin.git</developerConnection>
     <url>https://github.com/jenkinsci/oracle-cloud-infrastructure-compute-plugin</url>
-    <tag>oracle-cloud-infrastructure-compute-1.0.18</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <issueManagement>