Bump psalm/plugin-symfony from 3.1.3 to 3.1.4 in /vendor-bin/tools

Bumps [psalm/plugin-symfony](https://github.com/psalm/psalm-plugin-symfony) from 3.1.3 to 3.1.4.
- [Release notes](https://github.com/psalm/psalm-plugin-symfony/releases)
- [Commits](psalm/psalm-plugin-symfony@v3.1.3...v3.1.4)

---
updated-dependencies:
- dependency-name: psalm/plugin-symfony
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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