Description of the problem, including code/CLI snippet

There should be a way to get an id of a freshly created job, when the retry method is used, like it's done for creating a new pipeline.

>>> job = project.jobs.get('7659')
>>> q = job.retry()
>>> print(q)
None

Expected Behavior

Job retrying returns RESTObject

Actual Behavior

Job retrying returns nothing

Specifications

• python-gitlab version: 1.9.0
• API version you are using (v3/v4): v4
• Gitlab server version (or gitlab.com): 11.8.2