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Update NuGet packages for preview 2.

Author: martincostello

src/TodoApp/TodoApp.csproj

@@ -10,9 +10,9 @@
     <UserSecretsId>TodoApp</UserSecretsId>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="AspNet.Security.OAuth.GitHub" Version="10.0.0-preview.1.25127.64" />
+    <PackageReference Include="AspNet.Security.OAuth.GitHub" Version="10.0.0-preview.2.25168.78" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.0-preview.2.25164.1" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.0-preview.1.25081.1" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.0-preview.2.25163.8" />
     <PackageReference Include="Microsoft.TypeScript.MSBuild" Version="5.8.3" PrivateAssets="all" />
   </ItemGroup>
   <ItemGroup>