chore: disable NuGet warning

Author: dansiegel

Directory.Build.props

@@ -3,6 +3,7 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    <NoWarn>$(NoWarn);NU1507</NoWarn>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -30,4 +31,4 @@
     <!-- Splash Screen -->
     <MauiSplashScreen Include="$(MSBuildThisFileDirectory)\resources\splash.svg" Color="#FFFFFF" BaseSize="128,128" />
   </ItemGroup>
-</Project>
+</Project>