Remove Symfony 5.0 from matrix
Remove Symfony 5.0 from matrix

osavchenko/SonataAdminBundle,sonata-project/SonataAdminBundle,osavchenko/SonataAdminBundle,greg0ire/SonataAdminBundle,jordisala1991/SonataAdminBundle,osavchenko/SonataAdminBundle,greg0ire/SonataAdminBundle,osavchenko/SonataAdminBundle,jordisala1991/SonataAdminBundle,sonata-project/SonataAdminBundle,jordisala1991/SonataAdminBundle,jordisala1991/SonataAdminBundle,osavchenko/SonataAdminBundle,greg0ire/SonataAdminBundle,greg0ire/SonataAdminBundle