Update readme.md

Extended ShopifySharp versions to include Shopify API version 2024-01

Signed-off-by: VincentMatthews <141763994+VincentMatthews@users.noreply.github.com>

readme.md

@@ -53,7 +53,8 @@ Shopify has begun versioning their API, meaning new features are locked behind n
 | 5.16.0 - 5.18.11     | 2022-04             |
 | 5.19.0 - 5.19.1      | 2022-07             |
 | 6.0.1 - 6.2.0        | 2023-01             |
-| 6.3.0 and above      | 2023-07             |
+| 6.3.0 - 6.12.2       | 2023-07             |
+| 6.13.0 and above     | 2024-01             |
 
 **Note:** ShopifySharp dropped support for .NET Framework 4.5 in version 5.14.0. [More details in #438.](https://github.com/nozzlegear/ShopifySharp/issues/438)
 The oldest version of .NET Framework we can support is [whichever version is supported by .NET Standard 2.0](https://learn.microsoft.com/en-us/dotnet/standard/net-standard?tabs=net-standard-2-0#net-standard-versions).