fix(docs): Update invalid xrefs (#456)

Author: Techassi

modules/ROOT/pages/release_notes.adoc

@@ -74,7 +74,7 @@ implemented for HBase, Hadoop and Zookeeper and will eventually be available for
 
 ==== LDAP stack and tutorial
 
-LDAP support has now been added to multiple products. An explanation of the overall approach is given xref:concepts:authentication.adoc[here] but in order to make the configuration steps a little clearer a xref:tutorials:authentication_with_openldap.adoc[tutorial] has been added that uses a dedicated Stackable xref:stackablectl::commands/stack.adoc[stack] for OpenLDAP and shows its usage.
+LDAP support has now been added to multiple products. An explanation of the overall approach is given xref:concepts:authentication.adoc[here] but in order to make the configuration steps a little clearer a xref:tutorials:authentication_with_openldap.adoc[tutorial] has been added that uses a dedicated Stackable xref:management:stackablectl:commands/stack.adoc[stack] for OpenLDAP and shows its usage.
 
 The xref:management:stackablectl:quickstart.adoc[quickstart guide] shows how to get started with `stackablectl`. This
 link lists the xref:demos:index.adoc[available demos].

modules/tutorials/pages/authentication_with_openldap.adoc

@@ -32,7 +32,7 @@ include::example$ldap-auth/10-install-base.sh[tag=stackablectl-install]
 
 This command will take a few minutes to complete.
 
-NOTE: The stack installed here is used in the xref:stackablectl::demos/trino-taxi-data.adoc[`trino-taxi-data` demo]. Click the link to learn more.
+NOTE: The stack installed here is used in the xref:demos:trino-taxi-data.adoc[`trino-taxi-data` demo]. Click the link to learn more.
 
 [#setup_login]
 ==== Inspect