Fix that `#[Polyglot\Translatable]` may be used on unmapped fields
... plus backporting some changes from the 4.x (master) branch necessary to enable or test this feature:
- Keep declaration of Doctrine Event Listeners (backport to 3.x) by @mpdude in #65
- Integration tests with the Symfony full-stack framework (backport to 3.x) by @mpdude in #66
- Allow
doctrine/persistence
^3.1
(backport to 3.x) by @mpdude in #67 - Fix that
#[Polyglot\Translatable]
may be used on unmapped fields by @mpdude in #68
Full Changelog: 3.2.0...3.3.0