Bump symfony/runtime from 6.4.8 to 6.4.14 in /webapp

Bumps [symfony/runtime](https://github.com/symfony/runtime) from 6.4.8 to 6.4.14.
- [Release notes](https://github.com/symfony/runtime/releases)
- [Changelog](https://github.com/symfony/runtime/blob/7.1/CHANGELOG.md)
- [Commits](symfony/runtime@v6.4.8...v6.4.14)

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

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

Author: dependabot[bot]