Install php-luasandbox on php dev-images
Background: https://www.mediawiki.org/wiki/LuaSandbox
Acceptance criteria:
- php-luasandbox is installed for the following base images, which the php dev images are based on:
- buster-php72
- buster-php73
- buster-php74
- buster-php80
- LuaSandbox shows up as a result of running phpinfo() and get_loaded_extensions() from a docker container created from the php dev images
- New images published on the Wikimedia docker registry