xref:# and link:# that are not fully qualified with file and relative path should fail the Vale rules

[Aidan Reilly]

Should cause a Vale error:

nodes/clusters/nodes-cluster-overcommit.adoc:38
container density on nodes. You can configure cluster-level overcommit using
the xref:#nodes-cluster-resource-override_nodes-cluster-overcommit[ClusterResourceOverride Operator]