Bump aws-sdk-s3 from 0.29.0 to 1.21.0

Bumps [aws-sdk-s3](https://github.com/awslabs/aws-sdk-rust) from 0.29.0 to 1.21.0.
- [Release notes](https://github.com/awslabs/aws-sdk-rust/releases)
- [Commits](https://github.com/awslabs/aws-sdk-rust/commits)

---
updated-dependencies:
- dependency-name: aws-sdk-s3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>