Update README.md (#5120)

src/docs/ocean/release-notes/README.md

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 ## December 2024: Features and Enhancements
 
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+*  **OCN-0047: December 03, 2024:** (**<font color="#FC01CC">GKE</font>**) For you GKE clusters, Ocean now ensures resource reservations for system components that manage nodes, such as the Kubelet and Kube-Proxy. This feature is currently available through a feature flag and will later be opened to all GKS customers by default. To enable this feature for Ocean GKE, contact [Spot Support](https://spot.io/support/).
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 *  **OCN-0046: December 03, 2024:** (**<font color="#FC01CC">AKS</font>**) The AKS Cluster overview dashboard now includes details about Ocean savings from reverting to lower cost nodes. [Learn more...](https://docs.spot.io/ocean/ocean-aks-cloud-cluster-overview?id=ocean-savings-from-reverting-to-a-lower-cost-node)
 
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