Update vfc to ubuntu 1804

Change-Id: I7cfec6494490603123e0daaa1551f06408ef4225
Issue-ID: VFC-1653
Signed-off-by: yangyan <yangyanyj@chinamobile.com>
diff --git a/jjb/vfc/vfc-nfvo-catalog.yaml b/jjb/vfc/vfc-nfvo-catalog.yaml
index e12807d..0e46c40 100644
--- a/jjb/vfc/vfc-nfvo-catalog.yaml
+++ b/jjb/vfc/vfc-nfvo-catalog.yaml
@@ -25,7 +25,7 @@
           mvn-goals: 'install'
           script:
             !include-raw-escape: 'build-nfvo-catalog-docker-image.sh'
-          build-node: ubuntu1604-docker-8c-8g
+          build-node: ubuntu1804-docker-8c-8g
       - '{project-name}-gerrit-release-jobs':
           build-node: centos7-docker-8c-8g
     files: '**'