Change Details

This will allow using non-buildpack images to the config and the APi

This will allow using non-buildpack images to the config and the API, the current proposed config would be: ``` celery-worker: description: celery worker for long-running tasks type: continuous build: use-prebuilt: python3.11 # refers to docker-registry.tools.wmflabs.org/toolforge-python311-sssd-base:latest run: command: celery ``` Adding support for `use-prebuilt` key in the `build` section (API + config) and then passing that image to the jobs api when starting the jobs.

This will allow using non-buildpack images to the config and the APiI, the current proposed config would be: ``` celery-worker: description: celery worker for long-running tasks type: continuous build: use-prebuilt: python3.11 # refers to docker-registry.tools.wmflabs.org/toolforge-python311-sssd-base:latest run: command: celery ``` Adding support for `use-prebuilt` key in the `build` section (API + config) and then passing that image to the jobs api when starting the jobs.