Move to 8.0 preview 7 assemblies

Author: jaredpar

.vscode/settings.json

@@ -1,2 +1,3 @@
 {
+    "dotnet.defaultSolution": "Basic.Reference.Assemblies.sln"
 }

Basic.Reference.Assemblies.Net461/Generated.targets

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NETCore.App.Ref" Version="8.0.0-preview.3.23174.8" IncludeAssets="none" PrivateAssets="all" GeneratePathProperty="true" />
+    <PackageReference Include="Microsoft.NETCore.App.Ref" Version="8.0.0-preview.7.23375.6" IncludeAssets="none" PrivateAssets="all" GeneratePathProperty="true" />
   </ItemGroup>
 
   <Import Project="Generated.targets" />