Implement promotion finalising state #257
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Set the canary status to finalising after routing the traffic back to the primary. Run one final loop before scaling the canary to zero so that the canary has a chance to process all inflight requests.
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This PR adds a new canary phase named
Finalising. Flagger sets the canary status to finalising after routing the traffic back to the primary and runs one final loop before scaling the canary to zero so that the canary pods have a chance to process all inflight requests.Fix: #256