Add unhandled payment alert worker

[gianfra-t]

About

Adds a worker that fetches ramp entries with status failed and initial, using a predefined time window.

For each ramp, the worker checks:

• If there was a payment with a reference label corresponding to the entry. This should not be the case and should be alerted.
• Checks if there is a duplicate reference label on the list of payments from the BRLA account corresponding to the entry. Rationale is that this may be the cause of a failed or invalid state.
• If there is a payment with an invalid label (no label, wrong length, etc).

The worker will not alert more than once per day for eachsubaccountId. If from a particular ramp state we detect multiple inconsistencies, then all will be triggered.

[netlify]

✅ Deploy Preview for pendulum-pay canceled.

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[ebma]

Looks good to me, let's give it a shot 👍

[Sharqiewicz]

LGTM ✅