build(deps): bump doctrine/instantiator from 1.5.0 to 2.0.0

Bumps [doctrine/instantiator](https://github.com/doctrine/instantiator) from 1.5.0 to 2.0.0.
- [Release notes](https://github.com/doctrine/instantiator/releases)
- [Commits](doctrine/instantiator@1.5.0...2.0.0)

---
updated-dependencies:
- dependency-name: doctrine/instantiator
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

composer.json

@@ -31,7 +31,7 @@
         "doctrine/doctrine-fixtures-bundle": "^3.0",
         "doctrine/doctrine-migrations-bundle": "^3.1",
         "doctrine/inflector": "^2.0",
-        "doctrine/instantiator": "^1.1",
+        "doctrine/instantiator": "^2.0",
         "doctrine/lexer": "^2.0",
         "doctrine/orm": "^2.11",
         "doctrine/persistence": "^3.1",