CHI-3228 Switchboard service

[mythilytm]

Description

This PR introduces supports "switchboarding" and adds functionality to toggle between tasks within the Twilio TaskRouter system.

• Added a new TaskRouter listener manage tasks handled by the switchboarding, enabling control of tasks as they are routed, particularly with supervisor transfers.
• Added timestamps and flags (switchboardingHandled, switchboardingTimestamp) to task attributes
• Used Twilio Sync to update data on the status of the switchboarding to be read by the frontend

Implementation Notes
Initial logic for marking and exempting tasks is in place; future enhancements may improve the detection of original queues for more robust handling.

Checklist

• Corresponding issue has been opened
• New tests added
• Feature flags / configuration added

Other Related Issues

None

Verification steps

AFTER YOU MERGE

1. Cut a release tag using the GitHub workflow. Wait for it to complete and the notification to be posted in the #aselo-deploys Slack channel.
2. Comment on the ticket with the release tag version AND any additional instructions required to configure an environment to test the changes.
3. Only then move the ticket into the QA column in JIRA

You are responsible for ensuring the above steps are completed. If you move a ticket into QA without advising what version to test, the QA team will assume the latest tag has the changes. If it does not, the following confusion is on you! :-P

[stephenhand]

I'll review it once it's implemented in the lambda