Bump symfony/process from 5.4.28 to 5.4.46 in /vendor-bin/testing

Bumps [symfony/process](https://github.com/symfony/process) from 5.4.28 to 5.4.46.
- [Release notes](https://github.com/symfony/process/releases)
- [Changelog](https://github.com/symfony/process/blob/7.1/CHANGELOG.md)
- [Commits](symfony/process@v5.4.28...v5.4.46)

---
updated-dependencies:
- dependency-name: symfony/process
  dependency-type: indirect
...

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