Force composer 2.0 for building the php container (#1752)
Force composer 2.0 for building the php container (#1752)

* Force composer 2.0 for building the php containers

Using composer:latest involves the risk of colliding with an already existing `composer:1` container.

That would fail the startup of the `php` container.

* Revert to use static version reference
api-platform/api-platform,api-platform/api-platform,api-platform/api-platform,api-platform/api-platform