Rustls SSLKEYLOGFILE extraction

example.rs

        use rustls;

        let roots = rustls::RootCertStore::empty();
        let mut tls = rustls::ClientConfig::builder()
            .with_safe_defaults()
            .with_root_certificates(roots)
            .with_no_client_auth();
        tls.key_log = Arc::new(rustls::KeyLogFile::new());

        let client = Arc::new(
            reqwest::Client::builder()
                .use_preconfigured_tls(tls)
                .default_headers(default_headers)
                .timeout(timeout)
                .pool_idle_timeout(timeout)
                .build()
                .expect("build rpc client"),
        );