Bump symfony/security-bundle from 5.3.8 to 5.3.12

Bumps [symfony/security-bundle](https://github.com/symfony/security-bundle) from 5.3.8 to 5.3.12. - [Release notes](https://github.com/symfony/security-bundle/releases) - [Changelog](https://github.com/symfony/security-bundle/blob/5.3/CHANGELOG.md) - [Commits](symfony/security-bundle@v5.3.8...v5.3.12) --- updated-dependencies: - dependency-name: symfony/security-bundle dependency-type: direct:production ... Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]