update versions to support node@16

Author: TimidRobot

webpack/package.json

@@ -16,10 +16,10 @@
     "extract-loader": "^5.1.0",
     "file-loader": "^6.2.0",
     "mini-css-extract-plugin": "^1.3.9",
-    "node-sass": "^5.0.0",
+    "node-sass": "^6.0.0",
     "postcss": "^8.2.10",
     "postcss-loader": "^5.1.0",
-    "sass-loader": "^11.0.1",
+    "sass-loader": "^12.1.0",
     "style-loader": "^2.0.0",
     "url-loader": "^4.1.1",
     "webpack": "^5.24.4",