Update dependency TUnit to 1.7.0

[Nice3point]

This PR contains the following updates:

Package	Type	Update	Change
TUnit	nuget	minor	1.6.28 -> 1.7.0

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Release Notes

thomhurst/TUnit (TUnit)

v1.7.0: 1.7.0

What's Changed

Other Changes

• feat(analyzers): add NUnit ExpectedResult migration support by @​thomhurst in #​4170
• perf: reduce lock contention in test discovery and scheduling by @​thomhurst in #​4171
• perf: replace redundant allocations with Linq by @​TimothyMakkison in #​4172
• fix: move permissions to workflow level for OIDC token access by @​Copilot in #​4173
• Fix dotnet test documentation to require -- separator for TUnit extension flags by @​Copilot in #​4097
• Fix dotnet test command syntax in documentation for Microsoft.Testing.Platform by @​Copilot in #​4084
• System.Text.Json Assertions for JsonNode, JsonElement, etc. by @​thomhurst in #​4179

Dependencies

• chore(deps): update dependency polyfill to 9.5.0 by @​thomhurst in #​4152
• chore(deps): update tunit to 1.6.28 by @​thomhurst in #​4156
• chore(deps): update verify to 31.9.1 by @​thomhurst in #​4166
• chore(deps): update verify to 31.9.2 by @​thomhurst in #​4168
• chore(deps): update verify to 31.9.3 by @​thomhurst in #​4175

Full Changelog: thomhurst/TUnit@v1.6.28...v1.7.0

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[Copilot]

Pull request overview

This PR updates the TUnit testing framework dependency from version 1.6.28 to 1.7.0, bringing in performance improvements, new JSON assertion features, and bug fixes as documented in the TUnit release notes.

Key Changes

• Updated TUnit package version from 1.6.28 to 1.7.0 in the project file

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