* Add support to Cloud KMS
* Fixes
* Fix tests
* Fix tests
* - change variable name to be consistent with BQ module
- remove output, not needed
- change string default value to null
* use locals to pre-populate kms key variable for all names
* rename kms variable, fix prefix check in locals
Co-authored-by: Ludovico Magnocavallo <ludomagno@google.com>