fix(deps): update dependency sass to v1.68.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
sass	1.67.0 -> 1.68.0

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Release Notes

sass/dart-sass (sass)

v1.68.0

Compare Source

• Fix the source spans associated with the abs-percent deprecation.

JS API

• Non-filesystem importers can now set the nonCanonicalScheme field, which
  declares that one or more URL schemes (without :) will never be used for
  URLs returned by the canonicalize() method.

• Add a containingUrl field to the canonicalize() and findFileUrl()
  methods of importers, which is set to the canonical URL of the stylesheet that
  contains the current load. For filesystem importers, this is always set; for
  other importers, it's set only if the current load has no URL scheme, or if
  its URL scheme is declared as non-canonical by the importer.

Dart API

• Add AsyncImporter.isNonCanonicalScheme, which importers (async or sync) can
  use to indicate that a certain URL scheme will never be used for URLs returned
  by the canonicalize() method.

• Add AsyncImporter.containingUrl, which is set during calls to the
  canonicalize() method to the canonical URL of the stylesheet that contains
  the current load. This is set only if the current load has no URL scheme, or
  if its URL scheme is declared as non-canonical by the importer.

Embedded Sass

• The CalculationValue.interpolation field is deprecated and will be removed
  in a future version. It will no longer be set by the compiler, and if the host
  sets it it will be treated as equivalent to CalculationValue.string except
  that "(" and ")" will be added to the beginning and end of the string
  values.

• Properly include TypeScript types in the sass-embedded package.

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🎉 This PR is included in version 1.7.0 🎉

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