Update dependency sass to v1.77.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
sass	1.77.4 -> 1.77.6

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Release Notes

sass/dart-sass (sass)

v1.77.6

Compare Source

• Fix a few cases where comments and occasionally even whitespace wasn't allowed
  between the end of Sass statements and the following semicolon.

v1.77.5

Compare Source

• Fully trim redundant selectors generated by @extend.

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.05%. Comparing base (be50751) to head (2b7a206).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1422      +/-   ##
==========================================
- Coverage   85.08%   85.05%   -0.03%     
==========================================
  Files          26       26              
  Lines        3755     3755              
==========================================
- Hits         3195     3194       -1     
- Misses        560      561       +1     

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