public class CustomHttpMessageHandler : DelegatingHandler
{
    public CustomHttpMessageHandler(HttpMessageHandler innerHandler)
        : base(innerHandler)
    {
    }

    protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
    {
        request.Version = new Version(2, 0);
        request.VersionPolicy = HttpVersionPolicy.RequestVersionExact;

        HttpResponseMessage response = await base.SendAsync(request, cancellationToken);

        return response;
    }
}

var handler = new SocketsHttpHandler();

var customHttpHandler = new CustomHttpMessageHandler(handler);

HttpClient httpClient = new(customHttpHandler)
{
    DefaultRequestVersion = new Version(2, 0),
    DefaultVersionPolicy = HttpVersionPolicy.RequestVersionExact
};

ArangoConfiguration config = new()
{
    HttpClient = httpClient,
};

ArangoHttpTransport transport = new(config);

config.Transport = transport;

services.AddArango(arangoConfigSection.ConnectionString, config);