Need a meaningful error message when schedule names are too long

[cppwfs]

Currently the deployer returns the following exceptions if your schedule name exceeds the maximum char size for the field.
When creating a container the constraint reports must be between 0 and 63.
In the last version a KubernetesClientException was fired. In this case reported that the Schedule was not created but no reason why.
We need to let the user know that their schedule name exceeded maximum allowed characters.

This issue is a child of spring-cloud/spring-cloud-dataflow#3682