Bump the aws-sdk group across 1 directory with 2 updates

Bumps the aws-sdk group with 2 updates in the /src directory: [@aws-sdk/client-dynamodb](https://github.com/aws/aws-sdk-js-v3/tree/HEAD/clients/client-dynamodb) and [@aws-sdk/client-s3](https://github.com/aws/aws-sdk-js-v3/tree/HEAD/clients/client-s3).


Updates `@aws-sdk/client-dynamodb` from 3.817.0 to 3.821.0
- [Release notes](https://github.com/aws/aws-sdk-js-v3/releases)
- [Changelog](https://github.com/aws/aws-sdk-js-v3/blob/main/clients/client-dynamodb/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-js-v3/commits/v3.821.0/clients/client-dynamodb)

Updates `@aws-sdk/client-s3` from 3.817.0 to 3.821.0
- [Release notes](https://github.com/aws/aws-sdk-js-v3/releases)
- [Changelog](https://github.com/aws/aws-sdk-js-v3/blob/main/clients/client-s3/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-js-v3/commits/v3.821.0/clients/client-s3)

---
updated-dependencies:
- dependency-name: "@aws-sdk/client-dynamodb"
  dependency-version: 3.821.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: aws-sdk
- dependency-name: "@aws-sdk/client-s3"
  dependency-version: 3.821.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: aws-sdk
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]