[DEP-DEV]: Bump @symfony/webpack-encore from 4.4.0 to 4.6.0

Bumps [@symfony/webpack-encore](https://github.com/symfony/webpack-encore) from 4.4.0 to 4.6.0.
- [Release notes](https://github.com/symfony/webpack-encore/releases)
- [Changelog](https://github.com/symfony/webpack-encore/blob/main/CHANGELOG.md)
- [Commits](symfony/webpack-encore@v4.4.0...v4.6.0)

---
updated-dependencies:
- dependency-name: "@symfony/webpack-encore"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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