Bump tar and terser-webpack-plugin in /ed

Removes [tar](https://github.com/isaacs/node-tar). It's no longer used after updating ancestor dependency [terser-webpack-plugin](https://github.com/webpack/terser-webpack-plugin). These dependencies need to be updated together.


Removes `tar`

Updates `terser-webpack-plugin` from 4.2.3 to 5.3.16
- [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@v4.2.3...v5.3.16)

---
updated-dependencies:
- dependency-name: tar
  dependency-version: 
  dependency-type: indirect
- dependency-name: terser-webpack-plugin
  dependency-version: 5.3.16
  dependency-type: direct:development
...

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

Author: dependabot[bot]