It looks like Google is preparing an update for the Photos-app that will bring the feel and look from Android 14 over to the Google Photos app. And I believe it’s going to be awesome!
The great thing is that the Google Photo app probably will get the new sharing Android 14 look even if the smartphone you don’t have run Android 13 to make this look appear. At least how I understand things. It’s unclear when this new look will roll out, but hopefully it will be very soon.