Bump league/flysystem-async-aws-s3 from 3.27.0 to 3.28.0 (#958)

Bumps [league/flysystem-async-aws-s3](https://github.com/thephpleague/flysystem-async-aws-s3) from 3.27.0 to 3.28.0.
- [Commits](thephpleague/flysystem-async-aws-s3@3.27.0...3.28.0)

---
updated-dependencies:
- dependency-name: league/flysystem-async-aws-s3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>