⬆️ Upgrade project to .NET 10 and update package references

[danielmackay]

This pull request updates the project to target .NET 10 and upgrades several core dependencies to their latest major versions. It also removes redundant package references and disables a specific code style warning to allow for intentional use of backing fields. These changes ensure compatibility with .NET 10 and streamline project configuration.

Framework and SDK Upgrades

• Updated TargetFramework to net10.0 in Directory.Build.props and removed old version references from ServiceDefaults.csproj and MigrationService.csproj. [1] [2] [3]
• Updated .NET SDK version in global.json to 10.0.100.

Dependency Updates

• Upgraded several key NuGet package versions to their 10.x releases in Directory.Packages.props, including Microsoft.AspNetCore.OpenApi, Microsoft.EntityFrameworkCore.Design, Microsoft.Extensions.Hosting, Microsoft.EntityFrameworkCore.Relational, Microsoft.Extensions.Http.Resilience, and Microsoft.AspNetCore.Mvc.Testing. [1] [2] [3]

Code Style and Build Configuration

• Disabled the IDE0032 warning to allow intentional use of backing fields instead of auto-properties in Directory.Build.props.

Project Reference Cleanup

• Removed unnecessary references to Microsoft.Extensions.DependencyInjection.Abstractions from WebApi.csproj and WebApi.IntegrationTests.csproj. [1] [2]

[Copilot]

Pull request overview

This PR upgrades the project from .NET 9 to .NET 10, updating the SDK version, target framework, and Microsoft package dependencies to version 10.0.0. The changes also consolidate the target framework configuration by centralizing it in Directory.Build.props and removing redundant package references.

Key changes:

• Upgraded .NET SDK from 9.0.300 to 10.0.100
• Updated target framework from net9.0 to net10.0
• Updated Microsoft packages from 9.x to 10.0.0 versions
• Removed redundant Microsoft.Extensions.DependencyInjection.Abstractions package references
• Added IDE0032 warning suppression for auto-property suggestions

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
global.json	Updates SDK version to 10.0.100 for .NET 10
Directory.Build.props	Changes target framework to net10.0 and adds IDE0032 NoWarn directive for intentional backing field usage
Directory.Packages.props	Updates Microsoft package versions to 10.0.0 and removes Microsoft.Extensions.DependencyInjection.Abstractions
tools/MigrationService/MigrationService.csproj	Removes explicit TargetFramework (now inherited from Directory.Build.props) and removes BOM character
src/ServiceDefaults/ServiceDefaults.csproj	Removes explicit TargetFramework (now inherited from Directory.Build.props)
src/WebApi/WebApi.csproj	Removes Microsoft.Extensions.DependencyInjection.Abstractions package reference
tests/WebApi.IntegrationTests/WebApi.IntegrationTests.csproj	Removes Microsoft.Extensions.DependencyInjection.Abstractions package reference

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[danielmackay]

LGTM