chore(deps): update dependency sass to v1.59.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
sass	1.59.2 -> 1.59.3

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Release Notes

sass/dart-sass

v1.59.3

Compare Source

• Fix a performance regression introduced in 1.59.0.

• The NPM release of 1.59.0 dropped support for Node 12 without actually
  indicating so in its pubspec. This release temporarily adds back support so
  that the latest Sass version that declares it supports Node 12 actually does
  so. However, Node 12 is now end-of-life, so we will drop support for it
  properly in an upcoming release.

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