Sure you can.
That is how many, many users upgraded their Homey Pro 2019 to the new Homey Pro 2023.
The process is quite easy too. Only keep in mind that you will have to re-pair your Zigbee devices; so you will have to have physical access to all Zigbee devices connected directly to Homey. That might mean opening wall switches or outlets i.e. This is not needed when you use another Zigbee hub like Hue or restoring a backup to a Homey Pro 2019.
So no worries, you can use your backup on a new Homey Pro 2023.
