chore(deps): update dependency node-sass to v7 [security]

Author: renovate-bot

package.json

@@ -31,7 +31,7 @@
     "babel-preset-latest": "6.24.1",
     "css-loader": "2.1.0",
     "file-loader": "3.0.1",
-    "node-sass": "4.11.0",
+    "node-sass": "7.0.0",
     "optimize-css-assets-webpack-plugin": "5.0.1",
     "sass-loader": "7.1.0",
     "vue": "2.5.22",