support disable_decoding in async read_response

[Redoubts]

Mimics the code in the sync method to also skip decoding when requested.

fakeredis-py/fakeredis/_connection.py

Line 67 in 7a1ec28

if kwargs.get("disable_decoding", False):

[cunla]

Hi, thanks for this.
Would you mind adding a test for it?

[Redoubts]

Had to add to the async_redis fixture, since I needed to have decode_responses enabled to verify I could force-disable it