chore(deps): [security] bump symfony/http-kernel from 5.1.0 to 5.1.5 (#51)

Bumps [symfony/http-kernel](https://github.com/symfony/http-kernel) from 5.1.0 to 5.1.5. **This update includes a security fix.**
- [Release notes](https://github.com/symfony/http-kernel/releases)
- [Changelog](https://github.com/symfony/http-kernel/blob/master/CHANGELOG.md)
- [Commits](symfony/http-kernel@v5.1.0...v5.1.5)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]