workhorse: Update module github.com/aws/aws-sdk-go to v1.49.3

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/140173



Merged-by: Alessio Caiazza <acaiazza@gitlab.com>
Approved-by: Alessio Caiazza <acaiazza@gitlab.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>