[chirp_users] New Daily Build

[Build System]

Greetings,

A new daily build of CHIRP is available.  This includes changes made
directly to the tree yesterday, and may include additional features,
bug fixes, and/or bugs.  If you are interested in trying it, grab it
from the following location:

  http://trac.chirp.danplanet.com/chirp_daily/daily-20220916


A list of the changes included in this build (since the last daily)
follows:

Changes for Build #699
[Dan Smith <3046399+kk7ds at users.noreply.github.com>] Merge pull request #35 from kk7ds/apply-20220915-2

[RB23] Add Retevis RB23

[Jim Unroe <rock.unroe at gmail.com>] [RB23] Add Retevis RB23

This patch adds support for the Retevis RT23 GMRS radio.

Fixes #10035

[Dan Smith <dsmith at danplanet.com>] Workflow to create PRs against py3

Hopefully this will make it easier to keep py3 in sync with
master.

[Dan Smith <dsmith at danplanet.com>] Update README about contributions