dep: upgrade webpack and related dependencies

* webpack: 5.97.1 => 5.104.0
* webpack-cli: 5.1.4 => 6.0.1
* copy-webpack-plugin: 12.0.2 => 13.0.1
* css-loader: 6.11.0 => 7.1.2
* html-webpack-plugin: 5.6.3 => 5.6.5
* mini-css-extract-plugin: 2.9.2 => 2.9.4
* sass: 1.87.0 => 1.97.0
* sass-loader: 14.2.1 => 16.0.6
* ts-loader: 9.5.1 => 9.5.4

Author: tahini

example/demo_survey/package.json

@@ -57,21 +57,21 @@
         "@types/node": "^22.15.14",
         "clean-webpack-plugin": "^4.0.0",
         "compression-webpack-plugin": "^11.1.0",
-        "copy-webpack-plugin": "^12.0.2",
+        "copy-webpack-plugin": "^13.0.1",
         "cross-env": "^10.1.0",
-        "css-loader": "^6.11.0",
-        "html-webpack-plugin": "^5.6.3",
+        "css-loader": "^7.1.2",
+        "html-webpack-plugin": "^5.6.5",
         "jest": "^30.2.0",
         "jest-each": "^30.2.0",
         "json-loader": "^0.5.7",
-        "mini-css-extract-plugin": "^2.9.2",
-        "sass": "^1.82.0",
-        "sass-loader": "^14.2.1",
+        "mini-css-extract-plugin": "^2.9.4",
+        "sass": "^1.97.0",
+        "sass-loader": "^16.0.6",
         "source-map-loader": "^5.0.0",
-        "ts-loader": "^9.5.1",
+        "ts-loader": "^9.5.4",
         "ts-shader-loader": "^2.0.2",
         "typescript": "^5.8.3",
-        "webpack": "^5.97.1",
-        "webpack-cli": "^5.1.4"
+        "webpack": "^5.104.0",
+        "webpack-cli": "^6.0.1"
     }
 }