Bump sass from 1.77.8 to 1.78.0 (#1441)

Bumps [sass](https://github.com/sass/dart-sass) from 1.77.8 to 1.78.0.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.77.8...1.78.0)

---
updated-dependencies:
- dependency-name: sass
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -46,7 +46,7 @@
  "open": "^10.1.0",
  "plugin-error": "^2.0.1",
  "run-sequence": "^2.2.1",
- "sass": "^1.77.8",
+ "sass": "^1.78.0",
  "util": "^0.12.5",
  "vinyl-buffer": "^1.0.1",
  "vinyl-source-stream": "^2.0.0"