[sdk] Missing optional parameter to v2 use_config_map_as_volume and use_secret_as_volume

[revit13]

In kfp v1 the config map or secret can be marked as optional when used as a volume source, as shown in the example below.

This capability is missing in the recent added use_config_map_as_volume and use_secret_as_volume v2 sdk functions. (#10400, #10483)

vol = k8s_client.V1Volume(
        name='dummy',
        config_map=k8s_client.V1ConfigMapVolumeSource(name='name', optional=True),
    )
    component.add_pvolumes({mountPoint: vol})


vol = k8s_client.V1Volume(
        name='dummy',
        secret=k8s_client.V1SecretVolumeSource(secret_name='name', optional=False),
    )
    component.add_pvolumes({mountPoint: vol})

What is the use case or pain point?

Making the secret or config map an optional resource allows the KFP component to function without failing even if those resources are not present.