new feature: AWS S3 now supports if-match

[Xuanwo]

Feature Description

https://aws.amazon.com/about-aws/whats-new/2024/11/amazon-s3-functionality-conditional-writes/

AWS S3 now supports write with if-match:

op.write_with(path, content).if_match("<etag>").await?;

This operation will only succeed if given path's etag matches <etag>.

Problem and Solution

Enable write_with_if_match capability for s3

Additional Context

No response

Are you willing to contribute to the development of this feature?

• Yes, I am willing to contribute to the development of this feature.