CI: Migrate jobs from v2-highcpu-* flavors to v3

v3 flavors guarantees jobs spin on newer hardware that
are faster and cost-efficient than the v2 flavors.

Change-Id: I215a6389349b08f385b351209488a341e173dbff
Issue-ID: CIMAN-33
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>
diff --git a/jenkins-config/clouds/openstack/cattle/centos7-redis-4c-4g.cfg b/jenkins-config/clouds/openstack/cattle/centos7-redis-4c-4g.cfg
index f84207f..8bb7c03 100644
--- a/jenkins-config/clouds/openstack/cattle/centos7-redis-4c-4g.cfg
+++ b/jenkins-config/clouds/openstack/cattle/centos7-redis-4c-4g.cfg
@@ -1,4 +1,4 @@
 IMAGE_NAME=CentOS 7 - redis -  - 50880808-8011
 LABELS=centos7-redis-4c-4g
-HARDWARE_ID=v2-highcpu-4
+HARDWARE_ID=v3-standard-4
 VOLUME_SIZE=50