Use System.Text.Json instead of Newtonsoft.Json

[cz-cs]

🔖 Feature description

Rewrite the library with System.Text.Json instead of using Newtonsoft.Json.

🎤 Pitch

Newtonsoft.Json is obsolete, and System.Text.Json is faster and is still supported for newer .NET versions. Newtonsoft.Json is only kept updated for .NET 4 and below. Most .NET projects use more recent versions of the runtime, and System.Text.Json is a better fit for these projects instead.

👀 Have you spent some time to check if this issue has been raised before?

• I checked and didn't find similar issue

🏢 Have you read the Code of Conduct?

• I have read the Code of Conduct

[ChiragAgg5k]

@cz-cs Thanks for the suggestion! You are absolutely correct in pointing out the upgrade. Seems like there is an entire guide on how to do so - https://learn.microsoft.com/en-us/dotnet/standard/serialization/system-text-json/migrate-from-newtonsoft?pivots=dotnet-9-0

Since this is not an issue of immediate attention, we will keep this issue open for contributions. Feel free to open a new PR on the sdk generator repo - https://github.com/appwrite/sdk-generator/