add reference to newer WV2 version from the one that WASDK pulls in (#578)

Author: mink-ms

Lottie-Windows/Lottie-Windows-WinUI3/Lottie-Windows-WinUI3.csproj

@@ -18,6 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Graphics.Win2D" Version="1.0.5.1" />
+    <PackageReference Include="Microsoft.Web.WebView2" Version="1.0.3240.44" PrivateAssets="all" />
     <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.6.241114003" />
   </ItemGroup>