fix(deps): update dependency sass to v1.86.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
sass	1.85.0 -> 1.86.3

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Release Notes

sass/dart-sass (sass)

v1.86.3

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• Fix a bug introduced in 1.86.1 where Sass fails to resolve paths starting with
  a .. segment.

v1.86.2

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• No user-visible changes.

v1.86.1

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• Improve the performance of file: URL case canonicalization on Windows and
  Mac OS.

v1.86.0

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• Add support for % as an expression in its own right. It will still be parsed
  as the modulo operator when between two other expressions, but in any other
  context it will be an expression whose value is the unquoted string %.

• Consider attr() to be a special number function that can be used as a
  channel in color functions.

• Deprecate user-defined functions named type() so that we can eventually
  support the new CSS type() function.

Dart API

• Increase the minimum Dart SDK to 3.6.0.

v1.85.1

Compare Source

• Fix a bug where global Sass functions whose names overlap with CSS math
  functions could incorrectly be treated as CSS math functions even though they
  used Sass-only features, causing compilation failures. For example,
  round(-$var / 2) previously threw an error but now works as intended.

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