[Enhancement]: Update `aws_bedrockagent_data_source` to support `custom_transformation_configuration`

[peteher]

Description

Ref #38670: could you please add custom_transformation_configuration as well ref:

• awscc
• aws api

Affected Resource(s) and/or Data Source(s)

• aws_bedrockagent_data_source

Potential Terraform Configuration

No response

References

• awscc
• aws api

Would you like to implement a fix?

None

[github-actions[bot]]

Community Note

Voting for Prioritization

• Please vote on this issue by adding a 👍 reaction to the original post to help the community and maintainers prioritize this request.
• Please see our prioritization guide for information on how we prioritize.
• Please do not leave "+1" or other comments that do not add relevant new information or questions, they generate extra noise for issue followers and do not help prioritize the request.

Volunteering to Work on This Issue

• If you are interested in working on this issue, please leave a comment.
• If this would be your first contribution, please review the contribution guide.