Deps: Update dependency sass to v1.91.0.

Author: renovate[bot]

package.json

@@ -58,7 +58,7 @@
         "react": "18.3.1",
         "react-dom": "18.3.1",
         "react-markdown": "9.0.1",
-        "sass": "1.80.6"
+        "sass": "1.91.0"
     },
     "devDependencies": {
         "@nordcom/prettier": "0.1.1",