Add containerImageFields to swift OpenStackDataPlaneService

The swift container images were added to the EDPM ansible vars
in 8c3b225 but the OpenStackDataPlaneService was not updated
to declare its containerImageFields.

Signed-off-by: Martin Schuppert <mschuppert@redhat.com>

Author: stuggi

config/services/dataplane_v1beta1_openstackdataplaneservice_swift.yaml

@@ -11,4 +11,9 @@ spec:
         name: swift-storage-config-data
     - configMapRef:
         name: swift-ring-files
+  containerImageFields:
+  - SwiftAccountImage
+  - SwiftContainerImage
+  - SwiftObjectImage
+  - SwiftProxyImage
   edpmServiceType: swift