Bump the minor group in /backend with 3 updates (#67)

Bumps the minor group in /backend with 3 updates: [doctrine/orm](https://github.com/doctrine/orm), [phpdocumentor/reflection-docblock](https://github.com/phpDocumentor/ReflectionDocBlock) and [phpstan/phpstan-symfony](https://github.com/phpstan/phpstan-symfony).


Updates `doctrine/orm` from 3.1.3 to 3.2.0
- [Release notes](https://github.com/doctrine/orm/releases)
- [Commits](doctrine/orm@3.1.3...3.2.0)

Updates `phpdocumentor/reflection-docblock` from 5.4.0 to 5.4.1
- [Release notes](https://github.com/phpDocumentor/ReflectionDocBlock/releases)
- [Commits](phpDocumentor/ReflectionDocBlock@5.4.0...5.4.1)

Updates `phpstan/phpstan-symfony` from 1.4.0 to 1.4.1
- [Release notes](https://github.com/phpstan/phpstan-symfony/releases)
- [Commits](phpstan/phpstan-symfony@1.4.0...1.4.1)

---
updated-dependencies:
- dependency-name: doctrine/orm
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor
- dependency-name: phpdocumentor/reflection-docblock
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor
- dependency-name: phpstan/phpstan-symfony
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>