To be clear, you don't need to "eat" the cat's feces. Tons of human infections spread by the same route (feco-oral), almost none of which are caused by humans literally eating other humans' feces.
For example, have you ever seen a cat lick its paws? And then lick it's fur (that you pet)? Well, those same paws have been in the cat's litter box (as pointed out by another comment).
Also, if you empty out the litter box and the feces are dried, they can create dust which a human might breath in (and swallow).
So just as with humans, infections spread from cat to human by feco-oral route are not literally from "eating feces".
For example, have you ever seen a cat lick its paws? And then lick it's fur (that you pet)? Well, those same paws have been in the cat's litter box (as pointed out by another comment).
Also, if you empty out the litter box and the feces are dried, they can create dust which a human might breath in (and swallow).
So just as with humans, infections spread from cat to human by feco-oral route are not literally from "eating feces".