changelog update for using `scope` instead of `limitedScope`
# Unreleased
+- [#776](https://github.com/kubernetes-sigs/federation-v2/pull/776) -
+ Switch to use `scope` instead of `limitedScope` to specify if it is
+ `Namespaced` or `Cluster` scoped federation deployment.
- [#797](https://github.com/kubernetes-sigs/federation-v2/pull/797) -
Cross-cluster service discovery now works for multi-zone clusters.
There is an update to FederatedClusters and ServiceDNSRecord API
