Allow CI_JOB_TOKEN in artifact download API
If a pipeline depends on the artifacts of another pipeline, the job should be able to request those artifacts using the
CI_JOB_TOKEN for permissions.
Links / references
With the introduction of dependencies between different projects, one of them may need to access artifacts created by a previous one. This process must be granted for authorized accesses, and it can be done using the CI_JOB_TOKEN variable that identifies a specific job.