update valid authentication mode (#251)

Author: shahabedinh

samples/mongodb/authentication/scram/replica-set/replica-set-scram-sha.yaml

@@ -19,7 +19,7 @@ spec:
   security:
     authentication:
       enabled: true
-      modes: ["SCRAM"] # Valid authentication modes are "SCRAM' and "X509"
+      modes: ["SCRAM"] # Valid authentication modes are "SCRAM', "SCRAM-SHA-1", "MONGODB-CR", "X509" and "LDAP"
 
       # Optional field - ignoreUnknownUsers
       # A value of true means that any users not configured via the Operator or the Ops Manager or Cloud Manager UI

samples/mongodb/authentication/scram/sharded-cluster/sharded-cluster-scram-sha.yaml

@@ -23,7 +23,7 @@ spec:
   security:
     authentication:
       enabled: true
-      modes: ["SCRAM"] # Valid authentication modes are "SCRAM' and "X509"
+      modes: ["SCRAM"] # Valid authentication modes are "SCRAM', "SCRAM-SHA-1", "MONGODB-CR", "X509" and "LDAP"
 
       # Optional field - ignoreUnknownUsers
       # A value of true means that any users not configured via the Operator or the Ops Manager or Cloud Manager UI