build(deps): bump symfony/http-kernel in /web/landing

Bumps [symfony/http-kernel](https://github.com/symfony/http-kernel) from 6.4.29 to 6.4.30.
- [Release notes](https://github.com/symfony/http-kernel/releases)
- [Changelog](https://github.com/symfony/http-kernel/blob/7.3/CHANGELOG.md)
- [Commits](symfony/http-kernel@v6.4.29...v6.4.30)

---
updated-dependencies:
- dependency-name: symfony/http-kernel
  dependency-version: 6.4.30
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]