Change Galera PVC request from 500M to 5G

We recommend 5G, not 500M, for Galera.

The database runs out of space when testing with LVMS
without this patch. We didn't see this when testing with
ci-local-storage since the 500M request was received a
10G PV.

Closes https://issues.redhat.com/browse/OSPRH-7536

Signed-off-by: John Fulton <[email protected]>

Author: fultonj

lib/control-plane/openstackcontrolplane.yaml

@@ -54,12 +54,12 @@ spec:
         # TODO(dciabrin) revert back to 3 once OSPRH-7405 is fixed
         replicas: 1
         secret: osp-secret
-        storageRequest: 500M
+        storageRequest: 5G
       openstack-cell1:
         # TODO(dciabrin) revert back to 3 once OSPRH-7405 is fixed
         replicas: 1
         secret: osp-secret
-        storageRequest: 500M
+        storageRequest: 5G
   glance:
     apiOverrides:
       default: