Added another ConfigureAwait(false)

LiqPaySDK/LiqPay.SDK/LiqPayClientHelper.cs

@@ -37,7 +37,7 @@ public static async Task<string> PostAsync(string url, Dictionary<string, string
                 {
                     responseMessage.EnsureSuccessStatusCode();
 
-                    using (var responseStream = await responseMessage.Content.ReadAsStreamAsync())
+                    using (var responseStream = await responseMessage.Content.ReadAsStreamAsync().ConfigureAwait(false))
                     using (var reader = new StreamReader(responseStream, encoding))
                     {
 						return reader.ReadToEnd();