Add release notes for version 3.4.2.3

Added release notes for version 3.4.2.3 including various fixes and improvements.

Author: MilosKozak

docs/EN/Maintenance/ReleaseNotes.md

@@ -54,6 +54,19 @@ WearOS 5, API level 34 (Android 14) has [limitations](#BuildingAapsWearOs-WearOS
 
 (latestrelease)=
 
+(version3423)=
+
+## Version for 3.4.2.3
+- Dash: Drift resolution @nl-ruud
+- NSClientV3: Fix gap after reconnection @MilosKozak  
+- Automation: Fix deserialization @MilosKozak
+- Equil: Fix battery report @MilosKozak 
+- Cleanup worflow @vanelsberg 
+- Equil: improve error recovery @MilosKozak 
+- DanaRS: fix domestic pump communication @MilosKozak 
+- Insight: Fix TBR sync @MilosKozak 
+- Dash: Fix activation bug @nl-ruud
+
 (version3422)=
 
 ## Version 3.4.2.2