Add missing fields to compute resources [KMS and disks]

[modular-magician]

closes hashicorp/terraform-provider-google#18050

Hi this is a PR to fix feature gap between the API and the provider on disks and encryption. I'll look for any tickets that this fixes and update them later.

Tested this for basic breaking changes (created an instance on upstream provider and did a terraform apply on the custom provider) - no changes in configuration shown

On some of these fields i wasn't able to add a ConflictsWith param. LMK if the API errors are sufficient in these cases or do we want this to throw an error on terraform's side

Also for the guest_os_features field i've made it so that it is computed but it will show null until the user sets it in his config. This field changes based on the source used for the disk and is ForceNew, so i think that this it's a safer behavior to have it null until the user specifficaly sets it in his config.

Fields added:

• google_compute_instance

  • boot_disk.architecture
  • boot_disk.guest_os_features
  • boot_disk.disk_encryption_key_rsa
  • boot_disk.disk_encryption_service_account
  • boot_disk.initialize_params.source_image_encryption_key
    • boot_disk.initialize_params.source_image_encryption_key.raw_key
    • boot_disk.initialize_params.source_image_encryption_key.rsa_encrypted_key
    • boot_disk.initialize_params.source_image_encryption_key.kms_key_self_link
    • boot_disk.initialize_params.source_image_encryption_key.kms_key_service_account
    • boot_disk.initialize_params.source_image_encryption_key.sha256
  • boot_disk.initialize_params.snapshot
  • boot_disk.initialize_params.source_snapshot_encryption_key
    • boot_disk.initialize_params.source_snapshot_encryption_key.raw_key
    • boot_disk.initialize_params.source_snapshot_encryption_key.rsa_encrypted_key
    • boot_disk.initialize_params.source_snapshot_encryption_key.kms_key_self_link
    • boot_disk.initialize_params.source_snapshot_encryption_key.kms_key_service_account
    • boot_disk.initialize_params.source_snapshot_encryption_key.sha256
  • attached_disk.disk_encryption_key_rsa
  • attached_disk.disk_encryption_service_account
  • instance_encryption_key
    • instance_encryption_key.kms_key_self_link
    • instance_encryption_key.kms_key_service_account
    • instance_encryption_key.sha256

• google_compute_image

  • image_encryption_key.raw_key
  • image_encryption_key.rsa_encrypted_key

• google_compute_snapshot

  • snapshot_encryption_key.rsa_encrypted_key

• google_compute_instance_template

  • disk.architecture
  • disk.guest_os_features
  • source_image_encryption_key.raw_key
  • source_image_encryption_key,rsa_encrypted_key
  • source_snapshot_encryption_key.raw_key
  • source_snapshot_encryption_key.rsa_encrypted_key
  • disk_encryption_key.kms_key_service_account

• google_compute_region_instance_template

  • disk.architecture
  • disk.guest_os_features
  • source_image_encryption_key.raw_key
  • source_image_encryption_key,rsa_encrypted_key
  • source_snapshot_encryption_key.raw_key
  • source_snapshot_encryption_key.rsa_encrypted_key
  • disk_encryption_key.kms_key_service_account

Release Note Template for Downstream PRs (will be copied)

See Write release notes for guidance.

compute: added several `boot_disk`, `attached_disk`, and `instance_encryption_key` fields for improved encryption key support in `google_compute_instance` and template resources

compute: added support for `image_encryption_key.raw_key` and ` image_encryption_key.rsa_encrypted_key` to `google_compute_image` resource

compute: added support for `snapshot_encryption_key.rsa_encrypted_key` to `google_compute_snapshot` resource

Derived from GoogleCloudPlatform/magic-modules#12672