[users] New chirp-next build

Greetings,

A new build of CHIRP-next is available. This includes changes made directly to the tree since yesterday and may include additional features, bug fixes, etc. Unless you have a reason not to, we recommend using the latest build of CHIRP-next at all times.

You can get it from here:

https://archive.chirpmyradio.com/chirp_next/next-20240807

A list of changes since the last build are here:

a8242df7 ksun_m6: Fix initialization of new memories 1eee07b8 retevis_rt21.py: Add Retevis RB89 - fixes #11465 82f80107 retevis_rt21.py: fix incorrect DTCS mask - fixes #11467

Issues addressed in this build:

[Bug 11467] retevis_rt21.py - writes invalild DTCS (aka DCS) codes for many radio models [New Model 11465] Add Retevis RB89

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