AWS::S3::Bucket - VersioningConfiguration-MfaDelete - Cannot enable MFA Delete on S3 Bucket

## 1. Title
AWS::S3::Bucket-VersioningConfiguration-MfaDelete

## 2. Scope of request
Currently it is not possible to configure MFA delete from CloudFormation without using a custom resource. Please add an MfaDelete attribute to enable this.

## 3. Expected behavior
Create should allow configuration of MfaDelete
Update should enable/disable MfaDelete

## 4. Suggest specific test cases
## 5. Helpful Links to speed up research and evaluation
## 6. Category (required) - Will help with tagging and be easier to find by other users to +1)
Storage (S3)

## 7. Any additional context (optional)

No implementation files, entry points, or tests are named in the issue. Start by reviewing the requested CloudFormation support for AWS::S3::Bucket VersioningConfiguration.MfaDelete and its Create and Update behavior. Done means the attribute can enable and disable MFA Delete without a custom resource, with coverage for the requested lifecycle cases.

Written by the indexing model from the issue text.