Bump volume size for helm node

Helm needs a larger volume size to boot up.

Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
Change-Id: Ie64c39a2ac00586d07b11f9c218d29ac5f2e9d00
diff --git a/jenkins-config/clouds/openstack/cattle/ubuntu1804-helm-2c-1g.cfg b/jenkins-config/clouds/openstack/cattle/ubuntu1804-helm-2c-1g.cfg
index 1c707ac..214356f 100644
--- a/jenkins-config/clouds/openstack/cattle/ubuntu1804-helm-2c-1g.cfg
+++ b/jenkins-config/clouds/openstack/cattle/ubuntu1804-helm-2c-1g.cfg
@@ -1,4 +1,4 @@
 IMAGE_NAME=ZZCI - Ubuntu 18.04 - helm -  - 20200506-233718.921
 LABELS=ubuntu1804-helm-2c-1g
 HARDWARE_ID=v2-highcpu-2
-VOLUME_SIZE=20
+VOLUME_SIZE=50