Fix SSH LFS memory usage (#33455)

Fix #33448

modules/private/mail.go

@@ -23,7 +23,7 @@ type Email struct {
 func SendEmail(ctx context.Context, subject, message string, to []string) (*ResponseText, ResponseExtra) {
 	reqURL := setting.LocalURL + "api/internal/mail/send"
 
-	req := newInternalRequest(ctx, reqURL, "POST", Email{
+	req := newInternalRequestAPI(ctx, reqURL, "POST", Email{
 		Subject: subject,
 		Message: message,
 		To:      to,