Upgrade serializer packages

[multiarc]

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[Copilot]

Pull Request Overview

This PR upgrades serializer-related package versions to their latest releases and refactors benchmark setup to centralize serializer instantiation.

• Updated package-lock and csproj references for all serializers
• Introduced DataItemMemoryPack and extension method for MemoryPack support
• Refactored benchmarks to use a new CreateSerializerInstance factory method

Reviewed Changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
SerializersBenchmark/packages.lock.json	Updated resolved versions and content hashes for all packages
SerializersBenchmark/SerializersBenchmark.csproj	Bumped PackageReference versions to match lock file upgrades
SerializersBenchmark/Models/DataItemMemoryPack.cs	Added new MemoryPackable model for MemoryPack benchmarks
SerializersBenchmark/Models/DataItem.cs	Adjusted MessagePackObject attribute and removed outdated MemoryPack annotations
SerializersBenchmark/Models/CreateDataExtensions.cs	Added DataMemoryPack method to create DataItemMemoryPack instances
SerializersBenchmark/Benchmarks.cs	Replaced manual Activator.CreateInstance logic with CreateSerializerInstance
SerializersBenchmark/Base/SerializerFactoryExtensions.cs	Added factory extension to map serializer types to their data creators
SerializersBenchmark/AsyncBenchmarks.cs	Updated async setup to use the new factory extension

Comments suppressed due to low confidence (4)

SerializersBenchmark/Base/SerializerFactoryExtensions.cs:8

• [nitpick] Consider adding XML doc comments to explain the purpose, parameters, and return value of CreateSerializerInstance for improved readability and maintainability.

    public static ISerializerTestAsync CreateSerializerInstance(this Type serializerType) {

SerializersBenchmark/Models/CreateDataExtensions.cs:22

• The new DataMemoryPack method introduces a MemoryPack-specific data path but lacks unit tests. Add tests to verify serialization and deserialization correctness for DataItemMemoryPack.

    public static DataItemMemoryPack DataMemoryPack(int itemsToCreate)

SerializersBenchmark/Models/DataItemMemoryPack.cs:9

• The class uses [DataMember] annotations but lacks a class-level [DataContract] attribute, so some serializers (e.g., DataContractSerializer) may ignore those members. Consider adding [DataContract] above the class declaration.

[MemoryPackable]

SerializersBenchmark/Base/SerializerFactoryExtensions.cs:10

• [nitpick] The if-else chain in CreateSerializerInstance may grow unwieldy as new serializers are added. Consider using a dictionary or strategy pattern to map serializer types to factory delegates.

        if (serializerType == typeof(GoogleProtobuf<ProtobufDataItem>)) {