chore(deps): update dependency tunit to 1.5.6

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Confidence
TUnit	1.5.0 -> 1.5.6

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Release Notes

thomhurst/TUnit (TUnit)

v1.5.6: 1.5.6

What's Changed

🏕 Changes

• refactor: Consolidate initialisation logic by @​thomhurst in #​4006
• feat: support class-level CombinedDataSources with static and method data sources by @​thomhurst in #​4007
• fix: improve exception messages for hook failures in HookExecutor by @​thomhurst in #​4008

👒 Dependencies

• chore(deps): update dependency nunit3testadapter to v6 by @​thomhurst in #​4004

Full Changelog: thomhurst/TUnit@v1.5.1...v1.5.6

v1.5.1: 1.5.1

What's Changed

🏕 Changes

• fix: prevent IAsyncInitializer from running during test discovery when using InstanceMethodDataSource by @​thomhurst in #​4002

Full Changelog: thomhurst/TUnit@v1.5.0...v1.5.1

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