Update the scopes of the edges to what their parent node says.
@author
Joakim Erdfelt
@version $Id: UpdateScopesTask.java 547277 2007-06-14 15:25:42Z joakime $
@plexus.component role="org.apache.maven.archiva.dependency.graph.GraphTask" role-hint="update-scopes" instantiation-strategy="per-lookup"