[velero-plugin-for-aws:v1.12.1] Brakes S3 compatible external storage location - oracle cloud issue

[LEOPARDO7]

Steps followed:
Installed velero with following versions using helm chart
velero-plugin-for-aws:v1.12.1
Velero chart version : version: "10.0.8"
Velero version: appVersion: V1.16.1

What did you expect to happen:
Velero Backup works with velero-plugin-for-aws:v1.8.0
After upgrading to velero-plugin-for-aws:v1.12.1 its not working.

From velero logs:
time="2025-07-16T10:47:07Z" level=error msg="Current BackupStorageLocations available/unavailable/unknown: 0/0/1)" controller=backup-storage-location logSource="pkg/controller/backup_storage_location_controller.go:182"
time="2025-07-16T10:49:26Z" level=error msg="Error uploading log file" backup=latest-backup bucket=velero error="rpc error: code = Unknown desc = error putting object <cluster_name>/backups/latest-backup/latest-backup-logs.gz: operation error S3: PutObject, https response error StatusCode: 400, RequestID: snn-1:kX8m94ToImjboSALQS9Xv1gPtpwCQJheWKf0PHOzSkPxfhbvjmnLDX7YRW8T8hestH5OvQGd-D, HostID: , api error InvalidArgument: x-amz-content-sha256 must be UNSIGNED-PAYLOAD or a valid sha256 value." error.file="/go/src/velero-plugin-for-aws/velero-plugin-for-aws/object_store.go:287" error.function="main.(*ObjectStore).PutObject" logSource="pkg/persistence/object_store.go:256" prefix=<cluster_name>
time="2025-07-16T10:49:26Z" level=error msg="backup failed" backuprequest=velero/latest-backup controller=backup error="rpc error: code = Unknown desc = error putting object <cluster_name>/backups/latest-backup/velero-backup.json: operation error S3: PutObject, https response error StatusCode: 400, RequestID: snn-1:M1GGaw7U0YWzMPpmh0CWsJBdcs4JGyU-87kWKD9cbbHOsVT4ggb0TZ9n6RQ985je_-KKd, HostID: , api error InvalidArgument: x-amz-content-sha256 must be UNSIGNED-PAYLOAD or a valid sha256 value." logSource="pkg/controller/backup_controller.go:297"