Adding cloud_properties to cloud.create_disk

- This breaks reverse compatibility with old CPI impls
- vcloud_cpi has not yet been updated

[#77338354]
Bumped bosh_vcloud_cpi to 0.6.0

- compatibility with cloud.create_disk w/ cloud_properties

[#77338354]

Signed-off-by: Mike Dillion <mike.dillion@pistoncloud.com>