test(S3): Add TransferAcceleration test

[palpatim]

Description of changes: Validates that S3 SDK virtual-host style addressing works as expected for Transfer Acceleration-enabled buckets. Steps:

• Obtain the normal credentials provider
• Create a new custom endpoint with the URL string: "https://s3-accelerate.amazonaws.com"
• Register an S3 client with that endpoint
• Specify the transfer-accelerated bucket in requests

Check points:

• Added new tests to cover change, if needed
• All unit tests pass
• All integration tests pass
• [ ] Updated CHANGELOG.md
• [ ] Documentation update for the change if required
• PR title conforms to conventional commit style

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.