Use sass-embedded instead of sass

modules/web/package.json

@@ -30,6 +30,7 @@
     "vue3-virtual-scroll-list": "^0.2.1"
   },
   "devDependencies": {
+    "sass-embedded": "^1.83.1",
     "@tsconfig/node20": "^20.1.4",
     "@types/node": "^20.16.11",
     "@vitejs/plugin-vue": "^5.1.4",