Bump Microsoft.AspNetCore.TestHost from 8.0.3 to 8.0.4

Bumps [Microsoft.AspNetCore.TestHost](https://github.com/dotnet/aspnetcore) from 8.0.3 to 8.0.4.
- [Release notes](https://github.com/dotnet/aspnetcore/releases)
- [Changelog](https://github.com/dotnet/aspnetcore/blob/main/docs/ReleasePlanning.md)
- [Commits](dotnet/aspnetcore@v8.0.3...v8.0.4)

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.TestHost
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

CompressedStaticFiles.AspNet.Tests/CompressedStaticFiles.AspNet.Tests.csproj

@@ -6,7 +6,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.AspNetCore.TestHost" Version="8.0.3" />
+		<PackageReference Include="Microsoft.AspNetCore.TestHost" Version="8.0.4" />
 		<PackageReference Include="coverlet.collector" Version="6.0.2">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>