fix: Update TaxLine to have channelLiable, ratePercentage and source

ShopifySharp/Entities/TaxLine.cs

@@ -4,6 +4,12 @@ namespace ShopifySharp;
 
 public class TaxLine
 {
+    /// <summary>
+    /// Whether the channel that submitted the tax line is responsible for remitting it.
+    /// </summary>
+    [JsonProperty("channelLiable")]
+    public bool ChannelLiable { get; set; }
+
     /// <summary>
     /// The amount of tax to be charged.
     /// </summary>
@@ -16,6 +22,18 @@ public class TaxLine
     [JsonProperty("rate")]
     public decimal? Rate { get; set; }
 
+    /// <summary>
+    /// The proportion of the line item price represented by the tax, expressed as a percentage.
+    /// </summary>
+    [JsonProperty("ratePercentage")]
+    public decimal? RatePercentage { get; set; }
+
+    /// <summary>
+    /// The origin of the tax.
+    /// </summary>
+    [JsonProperty("source")]
+    public string Source { get; set; }
+
     /// <summary>
     /// The name of the tax.
     /// </summary>