[CoreBundle] Fix version constraint on jms/serializer-bundle

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Fixed tickets |  -
| License       | MIT
| Doc PR        | -

Related to #2172, makes version requirements for `jms/serializer-bundle` consistent with Sylius/composer.json ResourceBundle/composer.json files.