Bump doctrine/data-fixtures from 1.8.1 to 2.0.2

Bumps [doctrine/data-fixtures](https://github.com/doctrine/data-fixtures) from 1.8.1 to 2.0.2.
- [Release notes](https://github.com/doctrine/data-fixtures/releases)
- [Upgrade guide](https://github.com/doctrine/data-fixtures/blob/2.0.x/UPGRADE.md)
- [Commits](https://github.com/doctrine/data-fixtures/compare/1.8.1...2.0.2)

---
updated-dependencies:
- dependency-name: doctrine/data-fixtures
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

fixtures/AnnotationFixtures.php

@@ -43,7 +43,7 @@ class AnnotationFixtures extends Fixture implements DependentFixtureInterface
         $manager->flush();
     }
 
-    public function getDependencies()
+    public function getDependencies(): array
     {
         return [
             EntryFixtures::class,