chore: introduces a dot at the end of the comment explaining the deactivation of warning CS8509 to force the pipeline to run

Author: https-richardy

Boundaries/Comanda.Subscriptions/Source/Comanda.Subscriptions.WebApi/Comanda.Subscriptions.WebApi.csproj

@@ -6,7 +6,7 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <!--
         Disabled CS8509 to allow switch expressions without a default case,
-        assuming exhaustiveness is guaranteed by controlled types
+        assuming exhaustiveness is guaranteed by controlled types.
     -->
     <NoWarn>CS8509</NoWarn>
   </PropertyGroup>