Chore: Move to centos8-builder

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-libs.yaml
jjb/so/so-so-admin-cockpit.yaml
jjb/so/so-so-etsi-nfvo.yaml
jjb/so/so.yaml
jjb/testsuite/pythonsdk-tests/testsuite-pythonsdk-tests.yaml
jjb/testsuite/robot-utils/testsuite-robot-utils.yaml
jjb/testsuite/testsuite-cds-mock-odl.yaml
jjb/testsuite/testsuite-cds-mock-server.yaml
jjb/testsuite/testsuite-cds-mock-ssh.yaml
jjb/testsuite/testsuite-cds.yaml
jjb/testsuite/testsuite-oom.yaml

Issue-ID: CIMAN-33
Signed-off-by: Bengt Thuree <bthuree@linuxfoundation.org>
Change-Id: Id4a6714a9dbce8ac7d77c4f332c880077e3b176b
diff --git a/jjb/so/so.yaml b/jjb/so/so.yaml
index cae9480..7f3c1aa 100644
--- a/jjb/so/so.yaml
+++ b/jjb/so/so.yaml
@@ -14,7 +14,7 @@
       - '{project-name}-{stream}-merge-java'
       - gerrit-maven-stage:
           sign-artifacts: true
-          build-node: centos7-builder-4c-4g
+          build-node: centos8-docker-4c-4g
           maven-versions-plugin: true
       - gerrit-maven-docker-stage:
           build-node: ubuntu1804-docker-v1-8c-8g
@@ -111,7 +111,7 @@
     java-version: openjdk11
     jobs:
       - gerrit-info-yaml-verify
-    build-node: centos7-builder-2c-1g
+    build-node: centos8-builder-2c-1g
     project: so
     stream:
       - 'master':