Run validate-network service one stage later

Due to some race condition, DNS service is not returning FQDN for compute nodes when validate-network pods kick in. This patch aims to start validate-network service in later stage with hope this random issue gets fixed.

Author: amartyasinha

examples/dt/uni02beta/values.yaml

@@ -130,8 +130,8 @@ data:
       - bootstrap
       - download-cache
       - configure-network
-      - validate-network
       - install-os
+      - validate-network
       - configure-os
       - ssh-known-hosts
       - run-os