Use centOS for onapsdk release job

Right now it uses ubuntu and fails due to lack of 'yum' package

Issue-ID: INT-2187
Signed-off-by: Michal Jagiello <michal.jagiello@t-mobile.pl>
Change-Id: I4a77233782ae5a02876615729a7cb16c191ceca1
diff --git a/jjb/integration/integration-python-onapsdk.yaml b/jjb/integration/integration-python-onapsdk.yaml
index d3f4b01..5bda56c 100644
--- a/jjb/integration/integration-python-onapsdk.yaml
+++ b/jjb/integration/integration-python-onapsdk.yaml
@@ -73,6 +73,7 @@
     name: integration-python-onapsdk-pypi-release
     project: integration/python-onapsdk
     project-name: integration-python-onapsdk
+    build-node: centos8-builder-2c-1g
     stream:
       - "master":
           branch: "master"