Bump denon-rs232 to 4.2.3 (#183025)

Co-authored-by: Paulus Schoutsen <balloob@gmail.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>

homeassistant/components/denon_rs232/manifest.json

@@ -9,5 +9,5 @@
   "iot_class": "local_push",
   "loggers": ["denon_rs232"],
   "quality_scale": "bronze",
-  "requirements": ["denon-rs232==4.2.2"]
+  "requirements": ["denon-rs232==4.2.3"]
 }

requirements_all.txt

@@ -848,7 +848,7 @@ deluge-client==1.10.2
 demetriek==1.4.1
 
 # homeassistant.components.denon_rs232
-denon-rs232==4.2.2
+denon-rs232==4.2.3
 
 # homeassistant.components.denonavr
 denonavr==1.3.3