Update AspNet.Security.OAuth.GitHub

Bump AspNet.Security.OAuth.GitHub for .NET 10 preview 4.

Author: martincostello

src/TodoApp/TodoApp.csproj

@@ -10,7 +10,7 @@
     <UserSecretsId>TodoApp</UserSecretsId>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="AspNet.Security.OAuth.GitHub" Version="10.0.0-preview.3.25210.79" />
+    <PackageReference Include="AspNet.Security.OAuth.GitHub" Version="10.0.0-preview.4.25264.51" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.0-preview.4.25258.110" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.0-preview.4.25258.110" />
     <PackageReference Include="Microsoft.TypeScript.MSBuild" Version="5.8.3" PrivateAssets="all" />