update dcae job buildnode to ubuntu1804

Change-Id: Iaec963641f65eb71e3798dc69b26bf96376083dd
Signed-off-by: Vijay Venkatesh Kumar <vv770d@att.com>
Issue-ID: DCAEGEN2-1891
diff --git a/jjb/dcaegen2/dcaegen2-collectors-restconf.yaml b/jjb/dcaegen2/dcaegen2-collectors-restconf.yaml
index 72c5a55..e06ca9e 100644
--- a/jjb/dcaegen2/dcaegen2-collectors-restconf.yaml
+++ b/jjb/dcaegen2/dcaegen2-collectors-restconf.yaml
@@ -10,7 +10,7 @@
           build-node: centos7-docker-8c-8g
           maven-versions-plugin: true
       - gerrit-maven-docker-stage:
-          build-node: ubuntu1604-docker-8c-8g
+          build-node: ubuntu1804-docker-8c-8g
           container-public-registry: 'nexus3.onap.org:10001'
           container-staging-registry: 'nexus3.onap.org:10003'
           mvn-goals: 'clean package docker:build -DpushImageTag'
@@ -29,7 +29,7 @@
       deployAtEnd=true
     files: '**'
     archive-artifacts: ''
-    build-node: 'ubuntu1604-docker-8c-8g'
+    build-node: 'ubuntu1804-docker-8c-8g'
 
 - project:
     name: dcaegen2-collectors-restconf-sonar
@@ -41,7 +41,7 @@
     sonarcloud-project-key: '{sonarcloud_project_organization}_{project-name}'
     sonar-mvn-goal: '{sonar_mvn_goal}'
     cron: '@daily'
-    build-node: ubuntu1604-docker-8c-8g
+    build-node: ubuntu1804-docker-8c-8g
     project: 'dcaegen2/collectors/restconf'
     project-name: 'dcaegen2-collectors-restconf'
     branch: 'master'
@@ -55,7 +55,7 @@
       - gerrit-maven-clm
     nexus-iq-namespace: 'onap-'
     project: dcaegen2/collectors/restconf
-    build-node: ubuntu1604-docker-8c-8g
+    build-node: ubuntu1804-docker-8c-8g
     project-name: 'dcaegen2-collectors-restconf'
     branch: 'master'
     mvn-settings: 'dcaegen2-collectors-restconf-settings'