You can't delete items from your purchase history but you can hide them.
For apps, see this document: Hide purchases from the App Store - Apple Support .
It only mentions hiding apps but according to Apple (as Recommended in: how do i delete an expired subscription - Apple Community ) subscriptions get hidden too.
This Community forum is offered by Apple as an end-user to end-user technical issue support service (i.e., users like you helping other users). We are not Apple. Feedback for Apple will likely get more attention if you send it using: Product Feedback - Apple
Apple may not respond but your comment will be read.