Update addons-exo-parent-pom to 18-RC01

Author: halaya

pom.xml

@@ -26,7 +26,7 @@
   <parent>
     <groupId>org.exoplatform.addons</groupId>
     <artifactId>addons-exo-parent-pom</artifactId>
-    <version>18-M06.1</version>
+    <version>18-RC01</version>
   </parent>
   <groupId>org.exoplatform.addons.sso</groupId>
   <artifactId>saml2-addon-parent</artifactId>