Update software versions for v4.5.2 (#1053)

Co-authored-by: David Cassany <david@localhost.localdomain>

adoc/attributes.adoc

@@ -17,21 +17,21 @@
 // Component Versions
 :base_os_version: 15 SP2
 :vmware_version: 6.7
-:crio_version: 1.18.2
-:kube_version: 1.18.6
+:crio_version: 1.18.4
+:kube_version: 1.18.10
 :kubedoc: https://v1-18.docs.kubernetes.io/docs/
 :cap_version: 1.5.2
 :cilium_release: 1.7
 :cilium_patch_version: 6
 :cilium_version: {cilium_release}.{cilium_patch_version}
 :cilium_docs_version: v{cilium_release}
 :envoy_version: 1.14.4
-:etcd_version: 3.4.3
-:skuba_version: 2.1.6
+:etcd_version: 3.4.13
+:skuba_version: 2.1.11
 :dex_version: 2.23.0
 :gangway_version: 3.1.0
 :metrics-server_version: 0.3.6
-:kured_version: 1.3.0
+:kured_version: 1.4.3
 :terraform_version: 0.12
 :haproxy_version: 1.8.7
 :helm3: 3.3.3