chore(deps): bump serialize-javascript, copy-webpack-plugin and terser-webpack-plugin (#669)

Removes [serialize-javascript](https://github.com/yahoo/serialize-javascript). It's no longer used after updating ancestor dependencies [serialize-javascript](https://github.com/yahoo/serialize-javascript), [copy-webpack-plugin](https://github.com/webpack/copy-webpack-plugin) and [terser-webpack-plugin](https://github.com/webpack/terser-webpack-plugin). These dependencies need to be updated together.


Removes `serialize-javascript`

Updates `copy-webpack-plugin` from 12.0.2 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](webpack/copy-webpack-plugin@v12.0.2...v14.0.0)

Updates `terser-webpack-plugin` from 5.3.11 to 5.4.0
- [Release notes](https://github.com/webpack/terser-webpack-plugin/releases)
- [Changelog](https://github.com/webpack/terser-webpack-plugin/blob/main/CHANGELOG.md)
- [Commits](webpack/terser-webpack-plugin@v5.3.11...v5.4.0)

---
updated-dependencies:
- dependency-name: serialize-javascript
  dependency-version: 
  dependency-type: indirect
- dependency-name: copy-webpack-plugin
  dependency-version: 14.0.0
  dependency-type: direct:development
- dependency-name: terser-webpack-plugin
  dependency-version: 5.4.0
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -33,7 +33,7 @@
     "@github1s/vscode-web": "^0.27.0",
     "chokidar": "^4.0.3",
     "clean-css": "^5.3.3",
-    "copy-webpack-plugin": "^12.0.2",
+    "copy-webpack-plugin": "^14.0.0",
     "css-loader": "^7.1.2",
     "eslint": "^9.17.0",
     "eslint-config-prettier": "^9.1.0",