chore(deps): update dependency tunit to 1.21.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
TUnit	1.21.0 → 1.21.6

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Release Notes

thomhurst/TUnit (TUnit)

v1.21.6: 1.21.6

What's Changed

Other Changes

• perf: replace object locks with Lock type for efficient synchronization by @​thomhurst in #​5219
• perf: parallelize test metadata collection for source-generated tests by @​thomhurst in #​5221
• perf: use GetOrAdd args overload to eliminate closure allocations in event receivers by @​thomhurst in #​5222
• perf: self-contained TestEntry with consolidated switch invokers eliminates per-test JIT by @​thomhurst in #​5223

Dependencies

• chore(deps): update tunit to 1.21.0 by @​thomhurst in #​5220

Full Changelog: thomhurst/TUnit@v1.21.0...v1.21.6

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.54%. Comparing base (36470ac) to head (f9174cd).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #399   +/-   ##
=======================================
  Coverage   98.54%   98.54%           
=======================================
  Files          22       22           
  Lines         274      274           
  Branches       43       43           
=======================================
  Hits          270      270           
  Misses          1        1           
  Partials        3        3           

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