RHACS backup fails becuase the checksum algorithm is not SHA256

Issue

Red Hat Advanced Cluster Security for Kubernetes (RHACS) backup fails with the error:

Failed to send backup to *s3compatible.s3Compatible: S3 compatible backup: creating backup in bucket "backup-bucket" with key "backup_xxxxx.zip" (code: InvalidRequest; message: The checksum algorithm must SHA256.)

S3 compatible backup: creating backup in bucket "testbuck" with key "backup_xxxxx.zip" (code: InvalidRequest; message: The checksum algorithm must SHA256.) {"backup": "rhacs-backup-new", "error": "operation error S3: CreateMultipartUpload, https response error StatusCode: 400, RequestID: xxxx, HostID: xxxx, api error InvalidRequest: The checksum algorithm must SHA256.", "err_code": "s3compatible-generic", "bucket": "testbuck", "object-prefix": ""}