Merge latest Library.Template

[AArnott]

• Skip native binary PDB conversion
• Only disable NBGV_GitEngine when necessary
• Merge pull request 481 from AArnott/renovate/docfx-2.x
• Update mcr.microsoft.com/dotnet/sdk:10.0.103 Docker digest to e362a8d (480)
• Update dependency dotnet-coverage to v18.5.1 (483)
• Update dependency Microsoft.Testing.Extensions.CodeCoverage to 18.5.1 (484)
• Update GitHub Artifact Actions (482)
• Bump DotNetRepoTools to 1.2.1
• Update dependency Microsoft.Testing.Extensions.CodeCoverage to 18.5.2 (486)
• Update dependency dotnet-coverage to v18.5.2 (485)

[Copilot]

Pull request overview

This PR merges updates from Library.Template, focusing on build/tooling updates and improving CI/dev ergonomics around symbol handling and shallow-clone builds.

Changes:

• Skip legacy PDB conversion for native binaries during symbol preparation.
• Add a helper script for shallow-clone environments and update Copilot build instructions accordingly.
• Bump several tooling/dependency versions (CodeCoverage, dotnet-coverage, docfx, DotNetRepoTools) and update actions/upload-artifact to v7.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
tools/Prepare-Legacy-Symbols.ps1	Detect native binaries and skip legacy PDB conversion for them.
Directory.Packages.props	Update Microsoft.Testing.Extensions.CodeCoverage central version.
.github/copilot-instructions.md	Replace blanket NBGV guidance with a priming script workflow.
.github/actions/publish-artifacts/action.yaml	Update actions/upload-artifact pin to v7.
.github/Prime-ForCopilot.ps1	New script to disable NBGV git engine when repo is shallow.
.config/dotnet-tools.json	Update dotnet tool versions (coverage, docfx, repo tools).

---

You can also share your feedback on Copilot code review. Take the survey.