use anyio instead of asyncio

### Summary

In order to be independend of the user chosen async library (e.g. trio) it would be a good idea to use anyio instead of bare asyncio

### What is the feature request for?

The core library

### The Problem

currently, there is no way to use this library with trio

### The Ideal Solution

use anyio instead of bare asyncio to handle async calls

### The Current Solution

_No response_