Composer warning "Package zendframework/zend-code is abandoned"

Try to run this 2 commands called in composer warning:

composer require laminas/laminas-eventmanager

and

composer require laminas/laminas-code

It will update:

laminas/laminas-code 3.4.1 replaces zendframework/zend-code (self.version) ocramius/proxy-manager 2.2.3 requires zendframework/zend-code (^3.3.0) (check by "composer depends zendframework/zend-code")

To check which package depends on it, run:

composer depends zendframework/zend-code

Result:

ocramius/proxy-manager  2.2.3  requires  zendframework/zend-code (^3.3.0)

ocramius/proxy-manager is used by doctrine migrations, it comes with symfony/orm-pack. You should not worry about it, but you should be able to update it by running composer upgrade

composer upgrade
...

composer depends zendframework/zend-code

Result:

laminas/laminas-code  3.4.1  replaces  zendframework/zend-code (self.version)