What would you like to be added: I'd like to override the Gateway target with the external-dns.alpha.kubernetes.io/target annotation in the HTTPRoute to target different resources.

Why is this needed: Targets are currently only available to be set in Gateway CRDs where for each HTTPRoute, the parent Gateway sets the target for each DNS Record. In my case, I have HTTPRoutes that need to have different targets within our system (ie load balancers, global accelerators).