Ability to use attribute source_hash in object module

[Banjamino]

Is your request related to a new offering from AWS?

No

Is your request related to a problem? Please describe.

Attribute etag is not compatible with KMS encryption, so I can`t use it during update of uploaded file via terraform. Need to use attribute source_hash instead etag, but this attribute is missing in current object module.

Describe the solution you'd like.

Need to add attribute source_hash in object module.

Describe alternatives you've considered.

N/A

Additional context

N/A