Chore: Move to ubuntu2004-docker

jjb/sdc/sdc-sdc-distribution-client.yaml
jjb/sdc/sdc-sdc-docker-base.yaml
jjb/sdc/sdc-sdc-helm-validator.yaml
jjb/sdc/sdc-sdc-workflow-designer.yaml
jjb/sdc/sdc.yaml
jjb/sdnc/sdnc-apps.yaml
jjb/sdnc/sdnc-oam.yaml
jjb/so/so-adapters-so-cnf-adapter.yaml
jjb/so/so-adapters-so-etsi-sol003-adapter.yaml
jjb/so/so-adapters-so-etsi-sol005-adapter.yaml
jjb/so/so-adapters-so-nssmf-adapter.yaml
jjb/so/so-adapters-so-oof-adapter.yaml
jjb/so/so-so-admin-cockpit.yaml
jjb/so/so-so-etsi-nfvo.yaml
jjb/so/so.yaml

Issue-ID: CIMAN-33
Signed-off-by: Bengt Thuree <bthuree@linuxfoundation.org>
Change-Id: Idc4566f2388c63b6962dc8250fbea5f13a7e6b09
diff --git a/jjb/sdc/sdc-sdc-workflow-designer.yaml b/jjb/sdc/sdc-sdc-workflow-designer.yaml
index e4eff9d..c501dd7 100644
--- a/jjb/sdc/sdc-sdc-workflow-designer.yaml
+++ b/jjb/sdc/sdc-sdc-workflow-designer.yaml
@@ -17,7 +17,7 @@
           build-node: centos7-builder-4c-4g
           maven-versions-plugin: true
       - gerrit-maven-docker-stage:
-          build-node: ubuntu1804-docker-8c-8g
+          build-node: ubuntu2004-docker-8c-8g
           maven-versions-plugin: true
           mvn-params: '-P docker -Dmaven.test.skip=true'
           container-public-registry: 'nexus3.onap.org:10001'