chore(deps-dev): update sass requirement from ^1.77.6 to ^1.83.4 in /example

[dependabot]

Updates the requirements on sass to permit the latest version.

Release notes

Sourced from sass's releases.

Dart Sass 1.83.4

To install Sass 1.83.4, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

• No user-visible changes.

See the full changelog for changes in earlier releases.

Changelog

Sourced from sass's changelog.

1.83.4

• No user-visible changes.

1.83.3

• No user-visible changes.

1.83.2

• Properly display deprecation IDs for the JS Sass API.

• Don't display deprecation IDs for user-defined deprecations.

1.83.1

• Fix a bug where --quiet-deps would get deactivated for @content blocks, even when those blocks were entirely contained within dependencies.

• Include deprecation IDs in deprecation warnings to make it easier to determine what to pass to --silence-deprecation or --fatal-deprecation.

1.83.0

• Allow trailing commas in all argument and parameter lists.

1.82.0

Command-Line Interface

• Improve --watch mode reliability when making multiple changes at once, such as checking out a different Git branch.

• Parse the calc-size() function as a calculation now that it's supported in some browsers.

Dart API

• Add a SassCalculation.calcSize() function.

1.81.1

• No user-visible changes.

1.81.0

• Fix a few cases where deprecation warnings weren't being emitted for global built-in functions whose names overlap with CSS calculations.

• Add support for the CSS round() calculation with a single argument, as long

... (truncated)

Commits

• 89a5394 Fix more bugs in the sass-parser release process (#2491)
• 46686ed Merge pull request #2490 from sass/sass-parser-release
• 1261767 Use a file: dependency for local Sass development
• 173f39b Use the Dart Sass version for the sass-parser dependency
• ddb14b2 Fix deprecation ID displays in JS mode (#2483)
• b12b508 Compile sass-parser before deploying (#2489)
• b19b57f Merge pull request #2478 from sass/if
• 23ff19d Merge branch 'main' into if
• 8818d93 Properly override the sass-parser dependency on sass during release (#2487)
• adb7016 Merge pull request #2488 from sass/sdk-formatter
• Additional commits viewable in compare view

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