Postdeploy outputs warnings and so decides to fail, making deployment impossible

[cyrille-sg]

During postdeploy phase, it outputs some warning (see below)
Because of these warnings, the postdeploy script decides to fail.
Because the postdeploy fails, the project cannot be deployed anymore.

2023-01-12 16:29:14.295162427 +0100 CET [postdeploy-4219] WARNING [2023-01-12 15:29:14] 12 /app/vendor/php-di/php-di/src/DI/Definition/Source/Autowiring.php(52): Deprecated - Method ReflectionParameter::getClass() is deprecated - Matomo 3.14.1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already)
2023-01-12 16:29:14.294644904 +0100 CET [postdeploy-4219] WARNING [2023-01-12 15:29:14] 12 /app/vendor/php-di/php-di/src/DI/Definition/Source/Autowiring.php(52): Deprecated - Method ReflectionParameter::getClass() is deprecated - Matomo 3.14.1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already)
2023-01-12 16:29:14.666027476 +0100 CET [postdeploy-4219] Successfully created tables
2023-01-12 16:29:14.666037664 +0100 CET [postdeploy-4219] Error: error or warning logs detected, exit 1
2023-01-12 16:29:15.530014439 +0100 CET [manager] container [postdeploy-4219] (XXXX) has stopped with exit code: 1
2023-01-12 16:29:20.163573894 +0100 CET [manager] container [web-1] (XXX) has stopped