Add `Job.queued_duration` to all API output formats

This MR fixes #251143 (closed) by adding job queue duration across the board.

This is added to:

• webhooks
• REST responses
• GraphQL responses

The name chosen here is queued_duration, since that name is already in use for projects. Some project resources have also be updated to expose this consistently as well.

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Related to #251143 (closed)