I’ve come across 'hold you to that' a fair bit in contemporary fiction, especially in dialogue-heavy genres like romance or slice-of-life novels. It’s one of those phrases that feels natural in banter—like when a character makes a vague promise, and another calls them out playfully. For example, in Emily Henry’s 'Book Lovers,' the protagonist uses it to tease her love interest, and it adds this light, flirty tension. It’s not archaic or overly formal, so it fits modern settings well.
That said, I don’t see it much in older classics or high fantasy, where dialogue tends to be more stylized. It’s a casual, conversational idiom, so it pops up in books aiming for realism or witty repartee. If you’re into character-driven stories, you’ll probably spot it more often than in, say, epic sagas where the language is more grandiose.