Releases for Simple entity_merge

Added Drupal 9 compatibility

* 5423502 Issue #3005406 by yareckon, rodrigoaguilera: Fix Data loss bug on multi-value fields
* da22dc3 Issue #3004324 by yareckon, rodrigoaguilera: Break Merging of References out of form into service
* 4ab917e Issue #3004319 by yareckon: Improve Labels on Merge Form
* 5c47906 Issue #3003762 by yareckon, rodrigoaguilera: Support Owner change on User entity merge
* dc89688 Issue #3003553 by yareckon: autocomplete: don't add target bundles parameter on bundle-less entities

Thanks yarekon!