chore(deps): update dependency @lit-labs/testing to v0.2.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@lit-labs/testing (source)	0.2.3 -> 0.2.4

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Release Notes

lit/lit (@​lit-labs/testing)

v0.2.4

Compare Source

Patch Changes

• #​4541 d128391b - Fix declarative shadowroot detection and parsing to use the correct spec behavior.

• #​4516 c51bc182 - Update @​web/test-runner-commands dependency

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Codecov Report

All modified and coverable lines are covered by tests ✅

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Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2492   +/-   ##
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  Coverage        ?   93.65%           
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  Files           ?      298           
  Lines           ?    24366           
  Branches        ?     2035           
=======================================
  Hits            ?    22821           
  Misses          ?     1512           
  Partials        ?       33           

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