docs: update dependencies table bug (elastic#91964) (elastic#92057)

docs/apm/service-overview.asciidoc

@@ -62,8 +62,8 @@ each dependency. By default, dependencies are sorted by _Impact_ to show the mos
 If there is a particular dependency you are interested in, click *View service map* to view the related
 <<service-maps, service map>>.
 
-IMPORTANT: A known issue prevents Real User Monitoring (RUM) dependencies from being shown in the
-*Dependencies* table. We are working on a fix for this issue.
+NOTE: Displaying dependencies for services instrumented with the Real User Monitoring (RUM) agent
+requires an agent version ≥ v5.6.3.
 
 [role="screenshot"]
 image::apm/images/spans-dependencies.png[Span type duration and dependencies]