Bump github.com/aws/aws-sdk-go-v2/service/sts from 1.23.1 to 1.23.2 in /src/s3-blobstore-backup-restore

Bump github.com/aws/aws-sdk-go-v2/service/sts from 1.23.1 to 1.23.2 in /src/s3-blobstore-backup-restore #1393