Use newest VSTest source filter deps

[Evangelink]

No description provided.

[Copilot]

Pull request overview

This PR updates the centrally-managed NuGet version for the VSTest source filter dependency used by the VSTest bridge extension.

Changes:

• Bump Microsoft.TestPlatform.Filter.Source from 18.8.0-preview-26264-09 to 18.8.0-preview-26276-01 in central package management.

Show a summary per file

File	Description
Directory.Packages.props	Updates the centrally pinned version for Microsoft.TestPlatform.Filter.Source.

Copilot's findings

• Files reviewed: 1/1 changed files
• Comments generated: 0

[Evangelink]

✅ 21/21 dimensions clean — no findings.

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Review Summary:

This PR updates the Microsoft.TestPlatform.Filter.Source source-only package from version 18.8.0-preview-26264-09 to 18.8.0-preview-26276-01 and adds the required trailing newline per SA1518.

What the version bump brings:

• Bug fix: Correctly handles escaped parentheses in filter expressions (e.g., Name~aaa \()
• Feature: Supports filtering uncategorized tests via empty filter values (e.g., TestCategory=)

Evaluation:

• ✅ Build Infrastructure: Manual version management in Directory.Packages.props is intentional for this source-only dependency (not Arcade-managed)
• ✅ Binary Compatibility: Source-only package changes are internal implementation improvements with no breaking API changes
• ✅ Scope: Single atomic concern (version bump + formatting fix)
• ✅ Conventions: Trailing newline addition correctly fixes SA1518 violation; version format consistent with other preview packages

Dimensions not applicable: No code, test, or documentation changes — only dependency metadata updated.

CI checks are in progress; build validation recommended before merge.

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Generated by Expert Code Review (on open) for issue #8605 · ● 2.2M