PUC-752: adding cache

Author: haseebsyed12

components/keystone/aio-values.yaml

@@ -239,7 +239,7 @@ pod:
             secret:
               secretName: sso-passphrase
   replicas:
-    api: 1
+    api: 2
   lifecycle:
     disruption_budget:
       api:
@@ -296,6 +296,8 @@ conf:
         OIDCClientID keystone
         OIDCClientSecret "exec:/bin/cat /etc/keystone-sso/client-secret"
         OIDCCryptoPassphrase "exec:/bin/cat /etc/oidc-secret/password"
+        OIDCCacheType memcache
+        OIDCMemCacheServers "memcached.openstack.svc.cluster.local:11211"
         OIDCClaimDelimiter ;
 
         # avoid redirect issues per the following