Projects::TransferService should be more reliable

What does this MR do and why?

Projects::TransferService should be more reliable

• Create worker EnqueueUsersRefreshAuthorizedProjectsWorker
• Use worker to enqueue low priority project_authorizations refresh in Projects::TransferService to assist with job timeouts.
• Change is behind project_authorizations_update_in_background_in_transfer_service FF

related: !183920 (merged)

part of: https://gitlab.com/gitlab-com/request-for-help/-/issues/2980

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• This MR is backporting a bug fix, documentation update, or spec fix, previously merged in the default branch.
• The MR that fixed the bug on the default branch has been deployed to GitLab.com (not applicable for documentation or spec changes).
• This MR has a severity label assigned (if applicable).
• Set the milestone of the merge request to match the target backport branch version.
• This MR has been approved by a maintainer (only one approval is required).
• Ensure the e2e:test-on-omnibus-ee job has either succeeded or been approved by a Software Engineer in Test.

Note to the merge request author and maintainer

If you have questions about the patch release process, please:

• Refer to the patch release runbook for engineers and maintainers for guidance.
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