chore: Add support for .NET 10 target framework

[filzrev]

This PR intended to add support for .NET 10.

• Add target framework net10.0 to TargetFrameworks. (It increase NuGet package size)
• Migrate base target framework from net8.0 to net10.0
• Update GitHub Actions workflow settings

What's Changed in this PR

action.yml

• Update actions/setup-node version
• Update actions/setup-dotnet version
• Add setting to install .NET 10

ci.yml

• Add dotnet test step for .NET 10.
• Modify existing dotnet test step for .NET 8 run on ubuntu only.
• Modify Percy test step to use .NET 10
• Modify Snapshot test steps to use .NET 10

lint.yml

• Remove unused actions/setup-dotnet step.

release.yml

• Change Self-contained package .NET version to .NET 10.
• Modify actions/setup-dotnet settings to install .NET 10
• Update Sign CLI version and add comment. (It can't dotnet nuget sign command. and required to run on Windows)

nightly.yml

• Remove step setup-dotnet (.NET 10 SDK is installed by setup-dotnet step instead)
• Add test step for .NET 9

snapshot.yml

• Update dotnet test target framework to use .NET 10

Directory.Build.Props

• Add net10.0 target framework. (It's expected to increase NuGet package size)
• Comment out settings for DOCFX_PREVIEW_BUILD (It's re-enabled when testing .NET 11)
• Remove old comment for NU5104.

Directory.Packages.Props
**SymbolFormatter.*.cs

• Update Roslyn packages to 5.0.0-2.final (Currently preview, It'll be released .NET 10 RTM released)

*.csproj

• Update TargetFramework from net8.0 to net10.0

[yufeih]

Thank you @filzrev