So, I looked on the AMD shop online and it looks like the MSI Bravo 15 satisfies all of these requirements, it is surprising that there was only one laptop in the AMD store that seems to satisfy this.
It’s the resolution I care about more than the aspect ratio. A squarer aspect ratio would just be the icing on top. But yeah, if you’re happy with 1920×1080, then it’s not too difficult to find machines satisfying the other two requirements.
I think it's just that unfortunately a lot of these laptops are geared towards gamers, and pretty much all gaming laptops have 16:9 aspect-ratio, and they also usually use high refresh-rate screens, which are also almost entirely in 16:9 aspect-ratio.
I'm in the USA, maybe that makes a difference.