Add new target for SHOW SUPPORTED PRIVILEGES (#1215) (#1234)

added with `LOAD ON ALL DATA` but was missed when it was documented
Cherry-picked from #1215

Co-authored-by: Therese Magnusson <[email protected]>

Author: renetapopova

modules/ROOT/pages/authentication-authorization/manage-privileges.adoc

@@ -241,7 +241,7 @@ Results will include multiple columns describing the privileges:
 | STRING
 
 | target
-| Target of the privilege: `dbms`, `database`, or `graph`.
+| Target of the privilege: `dbms`, `database`, `graph`, or `all data`.
 | STRING
 
 | scope