Added the release notes MD file and corresponding node entry in the TOC.html file for the 2023 Volume 1 SP Release - May 09, 2023

Author: DeepakRajSundar

xamarin-android/Release-Notes/v21.2.3.md

@@ -7,7 +7,7 @@ documentation: ug
 
 # Essential Studio for Xamarin.Android  Release Notes  
 
-{% include release-info.html date="May 02, 2023"  version="v21.2.3" %} 
+{% include release-info.html date="May 03, 2023"  version="v21.2.3" %} 
 
 {% directory path: _includes/release-notes/v21.2.3 %}