Add Tags to ServiceConfiguration.replicas

[un-def]

Before:

2 validation errors for BaseApplyConfiguration
service.replicas.list[function-after[validate_scaling(), ReplicaGroup]].0
  Input should be a valid dictionary or instance of ReplicaGroup [type=model_type, input_value=None, input_type=NoneType]
    For further information visit https://errors.pydantic.dev/2.13/v/model_type
service.replicas.function-before[_parse(), function-before[_parse(), function-after[_post_validate(), function-before[_parse(),
function-after[_post_validate(), Range[int]]]]]]
  Input should be a valid dictionary or instance of Range[int] [type=model_type, input_value=[None], input_type=list]
    For further information visit https://errors.pydantic.dev/2.13/v/model_type

After:

2 validation errors for BaseApplyConfiguration
service.replicas.ReplicaGroup.0
  Input should be a valid dictionary or instance of ReplicaGroup [type=model_type, input_value=None, input_type=NoneType]
    For further information visit https://errors.pydantic.dev/2.13/v/model_type
service.replicas.Range[int]
  Input should be a valid dictionary or instance of Range[int] [type=model_type, input_value=[None], input_type=list]
    For further information visit https://errors.pydantic.dev/2.13/v/model_type