chore(deps): update dependency sass to v1.91.0

Author: renovate[bot]

package.json

@@ -54,7 +54,7 @@
     "husky": "9.1.7",
     "lint-staged": "16.1.5",
     "prettier": "3.6.2",
-    "sass": "1.90.0",
+    "sass": "1.91.0",
     "stylelint": "16.23.1",
     "typescript": "5.9.2"
   },