Update dependency sass to v1.81.0

Author: renovate[bot]

package.json

@@ -97,7 +97,7 @@
     "postcss-html": "^1.7.0",
     "postcss-scss": "^4.0.9",
     "rollup": "^4.24.0",
-    "sass": "1.78.0",
+    "sass": "1.81.0",
     "stylelint": "^16.10.0",
     "stylelint-config-recommended-scss": "14.1.0",
     "stylelint-config-recommended-vue": "^1.5.0",