⬆️ Bump cookie and @symfony/webpack-encore

Removes [cookie](https://github.com/jshttp/cookie). It's no longer used after updating ancestor dependency [@symfony/webpack-encore](https://github.com/symfony/webpack-encore). These dependencies need to be updated together.


Removes `cookie`

Updates `@symfony/webpack-encore` from 4.6.1 to 5.0.1
- [Release notes](https://github.com/symfony/webpack-encore/releases)
- [Changelog](https://github.com/symfony/webpack-encore/blob/main/CHANGELOG.md)
- [Commits](symfony/webpack-encore@v4.6.1...v5.0.1)

---
updated-dependencies:
- dependency-name: cookie
  dependency-type: indirect
- dependency-name: "@symfony/webpack-encore"
  dependency-type: direct:development
...

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