chore(deps-dev): update sass requirement from ^1.85.1 to ^1.86.0 in the dev-dependencies group

[dependabot]

Updates the requirements on sass to permit the latest version.
Updates sass to 1.86.0

Release notes

Sourced from sass's releases.

Dart Sass 1.86.0

To install Sass 1.86.0, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

• 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.

See the full changelog for changes in earlier releases.

Changelog

Sourced from sass's changelog.

1.86.0

• 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.

1.85.1

• 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.

1.85.0

• No longer fully trim redundant selectors generated by @extend. This caused unacceptable performance issues for certain heavy users of @extend. We'll try to find a more performant way to accomplish it in the future.

1.84.0

• 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.

1.83.4

... (truncated)

Commits

• c6706e7 Add support for % as a stand-alone expression (#2540)
• 3ddbb38 Bump typedoc from 0.27.9 to 0.28.0 in /pkg/sass-parser (#2546)
• e6589fe Add support for parsing variable expressions (#2541)
• 2680d5f Add support for parsing unary operations (#2538)
• 734e9de Use union types rather than base classes for Sass nodes (#2537)
• 0d3ea25 Add support for the supports() function (#2535)
• ddd4b23 Add support for parsing selector expressions (#2533)
• d067c3a Add support for parsing parenthesized expressions (#2527)
• 2e59f14 Bump analyzer from 6.11.0 to 7.3.0 (#2532)
• 8e411a2 Use thread-safe writeln from dart sdk >=3.6.0 (#2528)
• Additional commits viewable in compare view

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