aravindhbw

FYI, this was worked around by scaling up the canary pods manually by setting the number of replicas to be equal to the current primary pods before deletion.

Looking at the docs [here](https://docs.flagger.app/tutorials/gatewayapi-progressive-delivery#customising-the-httproute), there is some support for header manipulation and uri rewrites but it seems to be global at the Canary level, so it would apply to...