chore!: Update .NET 10

[Soap-141]

GitHub Issue: #

Proposed Changes

• Bug fix
• Feature
• Code style update (formatting)
• Refactoring (no functional changes, no api changes)
• Build or CI related changes
• Documentation content changes
• Other, please describe:

What is the current behavior?

Targets .NET 8.
Uses C# 12.

What is the new behavior?

Targets .NET 10.
Uses C# 14.

Impact on version

• Major (Public API was modified.)
  • Public constructs (class, struct, delegate, enum, etc.) were removed or renamed.
  • Public members were removed or renamed.
  • Public method signatures were changed or renamed.
• Minor (Public API was extended.)
  • Public constructs, members, or overloads were added.
• Patch (Public API was unchanged.)
  • A bug in behavior was fixed.
  • Documentation was changed.
• None (The library is unchanged.)
  • Only code under the build folder was changed.
  • Only code under the .github folder was changed.

Checklist

Please check that your PR fulfills the following requirements:

• Documentation has been added/updated.
• Automated Unit / Integration tests for the changes have been added/updated.
• Updated BREAKING_CHANGES.md (if you introduced a breaking change).
• Your conventional commits are aligned with the Impact on version section.

Other information

[Copilot]

Pull request overview

This PR updates the ReviewService project from .NET 8 to .NET 10, marking a major version bump due to breaking API changes in target framework compatibility.

Key Changes

• Updates target framework from net8.0/netstandard2.0 to net10.0 across all projects
• Updates C# language version from 12.0 to 14.0
• Updates NuGet package dependencies to versions compatible with .NET 10

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/ReviewService/ReviewService.csproj	Updates target framework to net10.0, C# to 14.0, and package dependencies
src/ReviewService.Tests/ReviewService.Tests.csproj	Updates test project to net10.0 and upgrades test framework packages
src/ReviewService.NativePrompters/ReviewService.NativePrompters.csproj	Updates multi-targeted frameworks to net10.0 variants and dependencies
src/ReviewService.Abstractions/ReviewService.Abstractions.csproj	Updates target framework to net10.0 and C# to 14.0
build/stage-build.yml	Updates .NET SDK version and UnoCheck configuration for .NET 10
build/azure-pipelines.yml	Updates Windows hosted agent image to windows-2025
BREAKING_CHANGES.md	Documents the breaking change from .NET 8 to .NET 10

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