build(deps-dev): bump sass from 1.77.1 to 1.77.8

Bumps [sass](https://github.com/sass/dart-sass) from 1.77.1 to 1.77.8.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.77.1...1.77.8)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -84,7 +84,7 @@
     "rollup-plugin-css-only": "^4.5.2",
     "rollup-plugin-livereload": "^2.0.5",
     "rollup-plugin-svelte": "^7.2.0",
-    "sass": "^1.77.1",
+    "sass": "^1.77.8",
     "sirv-cli": "^2.0.2",
     "svelte": "^3.59.2",
     "svelte-check": "^3.7.1",