Update sass requirement from ^1.28.0 to ^1.29.0

[dependabot[bot]]

Updates the requirements on sass to permit the latest version.

Release notes

Sourced from sass's releases.

Dart Sass 1.29.0

To install Sass 1.29.0, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

• Support a broader syntax for @supports conditions, based on the latest Editor's Draft of CSS Conditional Rules 3. Almost all syntax will be allowed (with interpolation) in the conditions' parentheses, as well as function syntax such as @supports selector(...).

See the full changelog for changes in earlier releases.

Changelog

Sourced from sass's changelog.

1.29.0

• Support a broader syntax for @supports conditions, based on the latest Editor's Draft of CSS Conditional Rules 3. Almost all syntax will be allowed (with interpolation) in the conditions' parentheses, as well as function syntax such as @supports selector(...).

1.28.0

• Add a color.hwb() function to sass:color that can express colors in HWB format.

• Add color.whiteness() and color.blackness() functions to sass:color to get a color's HWB whiteness and blackness components.

• Add $whiteness and $blackness parameters to color.adjust(), color.change(), and color.scale() to modify a color's HWB whiteness and blackness components.

Dart API

• Add HWB support to the SassColor class, including a SassColor.hwb() constructor, whiteness and blackness getters, and a changeHwb() method.

1.27.2

• No user-visible changes.

1.27.1

• Potentially breaking bug fix: meta.load-css() now correctly uses the name $url for its first argument, rather than $module.

• Don't crash when using Infinity or NaN as a key in a map.

• Emit a proper parse error for a = with no right-hand side in a function.

... (truncated)

Commits

• 939dca8 Support generalized @supports conditions (#1134)
• f798aae Reformat (#1133)
• See full diff in compare view

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