修复已经 JsonIgnore 的属性仍被反序列化，导致 StackOverflow 异常的问题

[walterlv]

即使 JToken 类型的属性已经被 JsonIgnore 了，仍然生成了如下代码。并且 ElementInfo = this.JToken, 那句是无穷递归。

// <auto-generated/>
#nullable enable

// Suppress warnings about [Obsolete] member usage in generated code.
#pragma warning disable CS0618

namespace dotnetCampus.Ipc.Serialization
{
    internal partial class IpcInternalJsonSerializerContext
    {
        private global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Newtonsoft.Json.Linq.JToken>? _JToken;
        public global::System.Text.Json.Serialization.Metadata.JsonTypeInfo<global::Newtonsoft.Json.Linq.JToken> JToken
        {
            get
            {
                if (_JToken == null)
                {
                    global::System.Text.Json.Serialization.JsonConverter? customConverter;
                    if (Options.Converters.Count > 0 && (customConverter = GetRuntimeProvidedCustomConverter(typeof(global::Newtonsoft.Json.Linq.JToken))) != null)
                    {
                        _JToken = global::System.Text.Json.Serialization.Metadata.JsonMetadataServices.CreateValueInfo<global::Newtonsoft.Json.Linq.JToken>(Options, customConverter);
                    }
                    else
                    {
                        global::System.Text.Json.Serialization.Metadata.JsonCollectionInfoValues<global::Newtonsoft.Json.Linq.JToken> info = new global::System.Text.Json.Serialization.Metadata.JsonCollectionInfoValues<global::Newtonsoft.Json.Linq.JToken>()
                            {
                                ObjectCreator = null,
                                KeyInfo = null,
                                ElementInfo = this.JToken,
                                NumberHandling = default,
                                SerializeHandler = JTokenSerializeHandler
                            };
            
                            _JToken = global::System.Text.Json.Serialization.Metadata.JsonMetadataServices.CreateIEnumerableInfo<global::Newtonsoft.Json.Linq.JToken, global::Newtonsoft.Json.Linq.JToken>(Options, info);
            
                    }
                }
        
                return _JToken;
            }
        }
        
        private static void JTokenSerializeHandler(global::System.Text.Json.Utf8JsonWriter writer, global::Newtonsoft.Json.Linq.JToken? value)
        {
            if (value == null)
            {
                writer.WriteNullValue();
                return;
            }
        
            writer.WriteStartArray();
        
            foreach (global::Newtonsoft.Json.Linq.JToken element in value)
            {
                JTokenSerializeHandler(writer, element!);
            }
        
            writer.WriteEndArray();
        }
    }
}

[Copilot]

Pull Request Overview

This PR adds an explicit dependency on System.Text.Json version 8.0.6 for the .NET 6.0 target framework to work around bugs and limitations in the .NET 6/7 built-in version.

• Adds System.Text.Json package reference specifically for net6.0 target framework in the project file
• Defines the package version (8.0.6) in the central package management file

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
src/dotnetCampus.Ipc/dotnetCampus.Ipc.csproj	Adds conditional package reference to System.Text.Json for net6.0 target framework with explanatory comments
Directory.Packages.props	Adds System.Text.Json version 8.0.6 to centralized package version management

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