chore(deps): update dependency microsoft.templateengine.authoring.templateverifier to v10

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
Microsoft.TemplateEngine.Authoring.TemplateVerifier (source)	nuget	major	9.0.307 -> 10.0.100

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Release Notes

dotnet/dotnet (Microsoft.TemplateEngine.Authoring.TemplateVerifier)

v10.0.100: .NET 10.0.0 / 10.0.100

You can build .NET 10.0 from the repository by cloning the release tag v10.0.100 and following the build instructions in the main README.md.

Alternatively, you can build from the sources attached to this release directly.
More information on this process can be found in the dotnet/dotnet repository.

Attached are PGP signatures for the GitHub generated tarball and zipball. You can find the public key at https://dot.net/release-key-2023

To produce artifacts with the .NET 10 GA version strings, users must pass the branding argument to the build: --branding rtm.

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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This PR has been generated by Renovate Bot.

[claude]

Claude finished @thomhurst's task —— View job

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Pull Request Review ✅

Todo List:

• Read the changed file to understand the dependency update
• Check repository structure and understand how this dependency is used
• Look for any tests related to template verification
• Assess potential breaking changes from major version update
• Provide comprehensive review feedback

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Review Summary

This is a straightforward dependency update from Renovate Bot that updates Microsoft.TemplateEngine.Authoring.TemplateVerifier from v9.0.307 to v10.0.100 (major version bump aligning with .NET 10).

Code Quality & Best Practices ✅

• Clean change: Single line update in Directory.Packages.props:39
• Centralized dependency management: Properly uses Central Package Management
• Automated update: Renovate Bot ensures consistent and timely updates

Potential Issues 🟡

Major Version Bump Concerns:

• This is a major version update (v9 → v10) which could introduce breaking changes
• However, this follows the .NET release cadence (.NET 9 → .NET 10)
• The dependency is used only for template verification testing, not core functionality

Performance Considerations ✅

• No performance impact: This dependency is only used in test projects
• Isolated scope: Only affects TUnit.Templates.Tests project for dotnet template validation
• Test-only dependency: Does not impact runtime performance of TUnit

Security Concerns ✅

• Official Microsoft package: Maintained by the .NET team
• Test-only usage: No security implications for production code
• Well-maintained: Regular updates from official source

Test Coverage 🟡

Current Usage:

• Used in TUnit.Templates.Tests for testing TUnit's dotnet templates
• Tests C#, F#, VB.NET, ASP.NET, and Aspire template variants
• Uses VerificationEngine and TemplateVerifierOptions APIs

Recommendation:

• ⚠️ Run template tests before merging to verify compatibility
• The template tests should be executed to ensure the major version update doesn't break template verification functionality

Usage Analysis

The dependency is used in /TUnit.Templates.Tests/TemplateTestBase.cs:24-35:

protected VerificationEngine Engine => new(_loggerFactory);
protected TemplateVerifierOptions Options => 
    new TemplateVerifierOptions(TemplateShortName) { /* ... */ }

Recommendation: APPROVE ✅

This is a low-risk change that:

1. Aligns with .NET 10 GA release
2. Only affects test infrastructure (not core TUnit functionality)
3. Follows standard dependency management practices
4. Is from a trusted source (Microsoft)

Action Required: Ensure the existing CI pipeline runs the template tests (TUnit.Templates.Tests) to verify compatibility before merge.

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