Docker images versioning in Jenkins pipeline

Properly tag generated Docker images.

Use a common [Jenkins shared library](https://gitlab.mim.ovh/EOLE/Zephir/jenkins).
2 jobs for feature/image-versioning in 0 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  External
passed Build image

00:00:03

passed Build image

00:00:01