Chore: Update CentOS 7 images being used

Change-Id: I7f493797c0fc00915d7ef4d6fa66ea9cf70f685f
Signed-off-by: Andrew Grimberg <agrimberg@linuxfoundation.org>
diff --git a/jenkins-config/clouds/openstack/cattle/centos7-docker-2c-8g.cfg b/jenkins-config/clouds/openstack/cattle/centos7-docker-2c-8g.cfg
index a1a39a1..06e9e36 100644
--- a/jenkins-config/clouds/openstack/cattle/centos7-docker-2c-8g.cfg
+++ b/jenkins-config/clouds/openstack/cattle/centos7-docker-2c-8g.cfg
@@ -1,4 +1,4 @@
 LABELS=centos7-docker-2c-8g
-IMAGE_NAME=ZZCI - CentOS 7 - docker - x86_64 - 20200317-104237.628
+IMAGE_NAME=ZZCI - CentOS 7 - docker - x86_64 - 20210930-234402.929
 HARDWARE_ID=v2-standard-2
 VOLUME_SIZE=20