update to laravel 9

.gitlab-ci.yml

.gitlab/ci/build_dependencies.yml

.gitlab/ci/build_dependency_images.yml

build/fpm/Dockerfile

build/node/Dockerfile

build/node/entrypoint_dev.sh

build/node/entrypoint_production.sh

docker-compose.yml

metager/.env.example

metager/app/Console/Kernel.php

metager/app/Http/Controllers/Controller.php

metager/app/Http/Controllers/MailController.php

metager/app/Http/Kernel.php

metager/app/Http/Middleware/Authenticate.php

metager/app/Http/Middleware/EncryptCookies.php

.../app/Http/Middleware/PreventRequestsDuringMaintenance.php

metager/app/Http/Middleware/RedirectIfAuthenticated.php

metager/app/Http/Middleware/TrimStrings.php

metager/app/Http/Middleware/TrustHosts.php

metager/app/Http/Middleware/TrustProxies.php