Update von 4.13.58 auf 5.3.* wird beim composer install abgebrochen

[Nino]

Das Update von 4.13.58 auf 5.3.* wird beim composer install mit folgender Fehlermeldung abgebrochen:

$ /usr/bin/php8.2 -q -dmax_execution_time=0 -dmemory_limit=-1 -ddisplay_errors=0 -ddisplay_startup_errors=0 -derror_reporting=0 -dallow_url_fopen=1 -ddisable_functions= -ddate.timezone=Europe/Berlin /var/www/web23953849/html/contao5/public/contao-manager.phar.php composer install --no-dev --no-progress --no-ansi --no-interaction --optimize-autoloader
Installing dependencies from lock file
Verifying lock file contents can be installed on current platform.
Nothing to install, update or remove
Package doctrine/annotations is abandoned, you should avoid using it. No replacement was suggested.
Package doctrine/cache is abandoned, you should avoid using it. No replacement was suggested.
Package php-http/message-factory is abandoned, you should avoid using it. Use psr/http-factory instead.
Generating optimized autoload files
108 packages you are using are looking for funding.
Use the `composer fund` command to find out more!
contao/manager-plugin: Dumping generated plugins file...
contao/manager-plugin: ...done dumping generated plugins file
> @php vendor/bin/contao-setup
In ArrayNode.php line 327:
Unrecognized option "url_suffix" under "contao". Available options are "bac 
kend", "backup", "console_path", "crawl", "cron", "csp", "csrf_cookie_prefi 
x", "csrf_token_name", "editable_files", "error_level", "image", "insert_ta 
gs", "intl", "localconfig", "locales", "mailer", "messenger", "pretty_error 
_screens", "preview_script", "sanitizer", "search", "security", "upload_pat 
h". 
2025-12-16T20:46:18+01:00 [info] User Deprecated: Method "Contao\ManagerPlugin\Bundle\BundlePluginInterface::getBundles()" might add "array" as a native return type declaration in the future. Do the same in implementation "MadeYourDay\RockSolidAntispam\ContaoManagerPlugin" now to avoid errors or add an explicit @return annotation to suppress this message.
2025-12-16T20:46:18+01:00 [info] User Deprecated: Method "Contao\ManagerPlugin\Bundle\BundlePluginInterface::getBundles()" might add "array" as a native return type declaration in the future. Do the same in implementation "MadeYourDay\RockSolidColumns\ContaoManagerPlugin" now to avoid errors or add an explicit @return annotation to suppress this message.
2025-12-16T20:46:18+01:00 [info] User Deprecated: Method "Contao\ManagerPlugin\Bundle\BundlePluginInterface::getBundles()" might add "array" as a native return type declaration in the future. Do the same in implementation "MadeYourDay\RockSolidCustomElements\ContaoManagerPlugin" now to avoid errors or add an explicit @return annotation to suppress this message.
2025-12-16T20:46:18+01:00 [info] User Deprecated: Method "Contao\ManagerPlugin\Bundle\BundlePluginInterface::getBundles()" might add "array" as a native return type declaration in the future. Do the same in implementation "MadeYourDay\RockSolidIconPicker\ContaoManagerPlugin" now to avoid errors or add an explicit @return annotation to suppress this message.
2025-12-16T20:46:18+01:00 [info] User Deprecated: Method "Contao\ManagerPlugin\Bundle\BundlePluginInterface::getBundles()" might add "array" as a native return type declaration in the future. Do the same in implementation "MadeYourDay\RockSolidThemeAssistant\ContaoManagerPlugin" now to avoid errors or add an explicit @return annotation to suppress this message.
2025-12-16T20:46:18+01:00 [info] User Deprecated: Method "Symfony\Component\DependencyInjection\Extension\ExtensionInterface::load()" might add "void" as a native return type declaration in the future. Do the same in implementation "MadeYourDay\RockSolidCustomElements\DependencyInjection\RockSolidCustomElementsExtension" now to avoid errors or add an explicit @return annotation to suppress this message.
2025-12-16T20:46:18+01:00 [info] User Deprecated: Since contao/manager-bundle 5.0: Using a parameters.yml file has been deprecated and will no longer work in Contao 6. Use a parameters.yaml file instead
2025-12-16T20:46:18+01:00 [info] User Deprecated: Since contao/manager-bundle 5.0: Using a config.yml file has been deprecated and will no longer work in Contao 6. Use a config.yaml file instead
Script @php vendor/bin/contao-setup handling the post-install-cmd event returned with error code 1
# Process terminated with exit code 1
# Result: General error

Das verstehe ich nicht; was muss ich tun?

[mlweb]

Poste Deine composer.json