Move release jobs to docker node

Move release jobs to docker node since these
repos will start using self container releases

Change-Id: If335d12375863b3809e0d1335310a3eaeefea154
Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
diff --git a/jjb/sdnc/sdnc-northbound.yaml b/jjb/sdnc/sdnc-northbound.yaml
index 8363700..5e984b6 100644
--- a/jjb/sdnc/sdnc-northbound.yaml
+++ b/jjb/sdnc/sdnc-northbound.yaml
@@ -9,7 +9,7 @@
           sign-artifacts: true
           build-node: centos7-builder-4c-4g
       - '{project-name}-gerrit-release-jobs':
-          build-node: centos7-builder-4c-4g
+          build-node: centos7-docker-8c-8g
 
     project: 'sdnc/northbound'
     stream: