Bump symfony/security-http from 4.4.6 to 4.4.7

Bumps [symfony/security-http](https://github.com/symfony/security-http) from 4.4.6 to 4.4.7.
- [Release notes](https://github.com/symfony/security-http/releases)
- [Commits](https://github.com/symfony/security-http/compare/v4.4.6...v4.4.7)
Signed-off-by: dependabot[bot] <support@github.com>