Add PHP 8.4

[Hlavtox]

Questions	Answers
Description?	Add PHP 8.4
Type?
BC breaks?
Deprecations?
Fixed ticket?
Sponsor company
How to test?

[ps-jarvis]

Hello @Hlavtox!

This is your first pull request on docker repository of the PrestaShop project.

Thank you, and welcome to this Open Source community!

[Hlavtox]

Ping @Progi1984 @nesrineabdmouleh

[Progi1984]

Not out scope. Ping @PrestaShop/tech-council

[SharakPL]

Maybe we could simplify installation a bit with https://github.com/mlocati/docker-php-extension-installer
I simply use this in the Dockerfile:

ADD --chmod=0755 https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions /usr/local/bin/

RUN install-php-extensions gd imagick bcmath intl pdo_mysql mysqli zip memcached xdebug

Although few packages are not yet ready for PHP 8.4 eg. imagick
An update 2 days ago fixed that and all needed extensions are available.

[jolelievre]

Ok for this but I block for now, we first need to test the core compatibility with PHP 8.4 before we release new dockers

[Hlavtox]

@jolelievre Can we merge? :-)

[jolelievre]

This PR only adds the new version but it doesn't generate the docker images so it won't create any new dockers

Besides @Progi1984 is working on those in this PR #410 so that we rely on nightly builds now, so maybe the new version should also be added in his PR instead

[jolelievre]

Handled in #410