Bump serialize-javascript, terser-webpack-plugin and copy-webpack-plugin

Bumps [serialize-javascript](https://github.com/yahoo/serialize-javascript) to 7.0.4 and updates ancestor dependencies [serialize-javascript](https://github.com/yahoo/serialize-javascript), [terser-webpack-plugin](https://github.com/webpack/terser-webpack-plugin) and [copy-webpack-plugin](https://github.com/webpack/copy-webpack-plugin). These dependencies need to be updated together.


Updates `serialize-javascript` from 6.0.2 to 7.0.4
- [Release notes](https://github.com/yahoo/serialize-javascript/releases)
- [Commits](https://github.com/yahoo/serialize-javascript/compare/v6.0.2...v7.0.4)

Updates `terser-webpack-plugin` from 5.3.16 to 5.3.17
- [Release notes](https://github.com/webpack/terser-webpack-plugin/releases)
- [Changelog](https://github.com/webpack/terser-webpack-plugin/blob/main/CHANGELOG.md)
- [Commits](https://github.com/webpack/terser-webpack-plugin/compare/v5.3.16...v5.3.17)

Updates `copy-webpack-plugin` from 13.0.1 to 14.0.0
- [Release notes](https://github.com/webpack/copy-webpack-plugin/releases)
- [Changelog](https://github.com/webpack/copy-webpack-plugin/blob/main/CHANGELOG.md)
- [Commits](https://github.com/webpack/copy-webpack-plugin/compare/v13.0.1...v14.0.0)

---
updated-dependencies:
- dependency-name: serialize-javascript
  dependency-version: 7.0.4
  dependency-type: indirect
- dependency-name: terser-webpack-plugin
  dependency-version: 5.3.17
  dependency-type: direct:development
- dependency-name: copy-webpack-plugin
  dependency-version: 14.0.0
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -52,7 +52,7 @@
     "babel-loader": "^10.0.0",
     "backstopjs": "^6.3.25",
     "better-npm-audit": "^3.11.0",
-    "copy-webpack-plugin": "^13.0.1",
+    "copy-webpack-plugin": "^14.0.0",
     "css-loader": "^7.1.4",
     "jest": "^30.2.0",
     "jest-each": "^30.1.0",
@@ -64,7 +64,7 @@
     "postcss-loader": "^8.2.1",
     "sass": "^1.97.2",
     "sass-loader": "^16.0.7",
-    "terser-webpack-plugin": "^5.3.16",
+    "terser-webpack-plugin": "^5.3.17",
     "webpack": "^5.105.3",
     "webpack-cli": "^6.0.1"
   }