Add worker queue support to job class and model

[gsnider2195]

Closes #2064, Closes #2065

What's Changed

Add new job model and class property named task_queues to present a list of supported queues for each job. This property defaults to an empty list which only allows the job to run on the default queue. The property may be defined on the class and can be overridden similar to other job properties like read_only and approval_required. The list of queues will be presented in the job run form to select the queue the job will be sent to. The queue can also optionally be specified in an api job run request, defaulting to the first queue in the list if the worker_queue parameter is not passed to the api call.

• Add setting CELERY_TASK_DEFAULT_QUEUE with a default value of default to nautobot config
• Add task_queues job class meta property
• Add task_queues job model field
• Add task_queues_override job model field
• Add new model fields to job edit form
• Add new model fields to job detail page
• Add task queue field to job run form
• Add task_queue field to job run API endpoint
• Add task_queue to JobResult.job_kwargs to store the queue for populating the form when clicking re-run on a job result
• Add example to example plugin jobs
• Update docs

Job Run form

Job Edit form

Job Detail

TODO

• Explanation of Change(s)
• Attached Screenshots, Payload Example
• Unit, Integration Tests
• Documentation Updates (when adding/changing features)
• Example Plugin Updates (when adding/changing features)
• Outline Remaining Work, Constraints from Design

[jathanism]

:%s/worker.queue/task.queue/g
:%s/Worker queue/Task queue/g

[glennmatthews]

Worth calling out explicitly in the release-notes?

[gsnider2195]

I added a section in the release notes overview on this feature and it includes an important admonition calling out this changed setting.

[glennmatthews]

Is this a change from prior releases? It was celery before, right? Is there anything we need to call out in the release-notes about the upgrade changing this?

[gsnider2195]

I added a section to the release notes overview. See comment above