build(deps): bump symfony/security-bundle from 5.4.3 to 5.4.20

Bumps [symfony/security-bundle](https://github.com/symfony/security-bundle) from 5.4.3 to 5.4.20.
- [Release notes](https://github.com/symfony/security-bundle/releases)
- [Changelog](https://github.com/symfony/security-bundle/blob/6.2/CHANGELOG.md)
- [Commits](symfony/security-bundle@v5.4.3...v5.4.20)

---
updated-dependencies:
- dependency-name: symfony/security-bundle
  dependency-type: direct:production
...

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