Adjusted index node name to comply with new naming conventions. (#772)

New name complies with the format outlined at https://experienceleague.adobe.com/en/docs/experience-manager-learn/foundation/development/understand-indexing-best-practices#fully-custom-index

This closes #769

Author: ofarganc

accesscontroltool-oakindex-package/src/main/META-INF/vault/filter.xml

@@ -14,5 +14,6 @@
 
 <workspaceFilter version="1.0">
     <filter root="/oak:index/repACL" type="cleanup"/><!-- legacy index node name, used prior version 2.7.2  -->
-    <filter root="/oak:index/repACL-custom-1"/>
+    <filter root="/oak:index/repACL-custom-1" type="cleanup"/>
+    <filter root="/oak:index/actool.repACL-1-custom-1"/>
 </workspaceFilter>