Update return value

Co-authored-by: João Palet <joao.palet@outlook.com>

internal/pkg/services/object-storage/utils/utils.go

@@ -43,7 +43,7 @@ func GetCredentialsName(ctx context.Context, apiClient ObjectStorageClient, proj
 
 	credentials := resp.AccessKeys
 	if credentials == nil {
-		return "", fmt.Errorf("nil Object Storage credentials list: %w", err)
+		return "", fmt.Errorf("nil Object Storage credentials list)
 	}
 
 	for _, credential := range *credentials {