Bump sass from 1.90.0 to 1.91.0

Bumps [sass](https://github.com/sass/dart-sass) from 1.90.0 to 1.91.0.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.90.0...1.91.0)

---
updated-dependencies:
- dependency-name: sass
  dependency-version: 1.91.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "@vitejs/plugin-vue": "^6.0.1",
-    "sass": "^1.90.0",
+    "sass": "^1.91.0",
     "vite": "^7.1.3"
   }
 }