New features

[5dd64c84] Update to Symfony 7.1 (@javiereguiluz) [84c378f1] Add Bangla translation (@AminulBD) [719a423f] Add Vietnamese translation (@sungvadan) [e8dc87b4] Refactor how we define the available locales (@javiereguiluz) [31fad761] Only use immutable datetime objects (@javiereguiluz) [12f7357a] Use constructor property promotion in some code (@parijke)

Bug fixes

[af72ef29] Add a missing translation for Keep me logged in message (@llupa) [54b93c35][832f5476] Update the Doctrine configuration (@seb-jean, @xabbuh) [50ee9b95] Use request payload in BlogController (@seb-jean)