refactor: upgrade project to Typescript 5.9

packages/logger/src/smtp.ts

@@ -13,7 +13,7 @@
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
 import * as nodemailer from 'nodemailer';
-import {MailOptions} from 'nodemailer/lib/sendmail-transport';
+import {SendMailOptions} from 'nodemailer';
 import {deleteUndefinedProperties, isProductiveEnvironment, RecursivePartial} from './common.js';
 import {VerifiableTransport} from './transport.js';
 
@@ -310,7 +310,7 @@ export class SMTP extends VerifiableTransport {
    * Sends a mail object
    * @param mail Mail to send
    */
-  public async sendMail(mail: MailOptions): Promise<string> {
+  public async sendMail(mail: SendMailOptions): Promise<string> {
     // info is the response of the smtp server
     let info = await this.transportAgent.sendMail(mail);