Support symfony/serializer: ^5.0

[MaximGns]

To use packages that requires symfony/messenger ^5.4 it is needed that symfony/serializer is above 5.0.

Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - magento/magento-cloud-metapackage is locked to version 2.4.6 and an update of this package was not requested.
    - sroze/messenger-enqueue-transport 0.6.0 requires symfony/messenger ^4.3|^5|^6 -> satisfiable by symfony/messenger[v5.4.0-BETA1, ..., 5.4.x-dev].
    - symfony/messenger[v5.4.0-BETA1, ..., 5.4.x-dev] conflict with symfony/serializer <5.0.
    - magento/ece-tools 2002.1.16 requires symfony/serializer ^2.8 || ^3.3 || ^4.0 -> satisfiable by symfony/serializer[v4.4.47].
    - magento/magento-cloud-metapackage 2.4.6 requires magento/ece-tools ^2002.1.0 -> satisfiable by magento/ece-tools[2002.1.16].