Update project to .NET 10

[EntityAdam]

Upgrade the solution and all projects to target .NET 10.

Checklist

• Update all project files (*.csproj) to use the .NET 10 target framework
• Update NuGet dependencies as needed for .NET 10 compatibility
• Verify successful build and run all tests
• Update CI/CD configuration if necessary for .NET 10

Motivation

Keeping the project up to date ensures continued support, security, and access to new language/runtime features.