Bump sass from 1.77.4 to 1.77.5 in /webapp

Bumps sass from 1.77.4 to 1.77.5.

Release notes

Sourced from sass's releases.

Dart Sass 1.77.5

To install Sass 1.77.5, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

• Fully trim redundant selectors generated by @extend.

See the full changelog for changes in earlier releases.

Changelog

Sourced from sass's changelog.

1.77.5

• Fully trim redundant selectors generated by @extend.

Commits

• a1b372e Enable AOT build for linux-riscv64 (#2260)
• ecff05d Remove the heuristic where long selector lists wouldn't be trimmed (#2255)
• 5ddd7fc Enable AOT build for linux-riscv64-musl (#2258)
• 53b9ead Regenerate protobuf as part of default task (#2257)
• See full diff in compare view

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