Documented post library upgrade in T378424: PHP 8.4: Implicitly nullable parameter declarations deprecated in qrcode vendor libs, we can specify a "logo" to be embedded in the QR code...

https://github.com/endroid/qr-code/tree/6.0.9?tab=readme-ov-file#usage-using-the-builder

logoPath: __DIR__.'/assets/bender.png',
logoResizeToWidth: 50,
logoPunchoutBackground: true,

See also T360230: Incorporate Wikimedia Project Logo on QR Codes