fix(deps): update dependency sass to ^1.84.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
sass	^1.83.4 -> ^1.84.0

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Release Notes

sass/dart-sass (sass)

v1.84.0

Compare Source

• Allow newlines in whitespace in the indented syntax.

• Potentially breaking bug fix: Selectors with unmatched brackets now always
  produce a parser error. Previously, some edge cases like [foo#{"]:is(bar"}) {a: b} would compile without error, but this was an unintentional bug.

• Fix a bug in which various Color Level 4 functions weren't allowed in plain
  CSS.

• Fix the error message for @extend without a selector and possibly other
  parsing edge-cases in contexts that allow interpolation.

Embedded Host

• Fixed the implementation of the SassBoolean type to adhere to the spec,
  now using a class instead of an interface.

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[mrdavidburns]

Minor release. All checks pass.