Add release notes for v0.230.0 (#8787)

Co-authored-by: gustavodiaz7722 <38817851+gustavodiaz7722@users.noreply.github.com>

Author: eksctl-bot

docs/release_notes/0.230.0.md

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+# Release v0.230.0
+
+## 🚀 Features
+
+- Add control plane component config support (#8821)
+- Add support for BottlerocketFips AMI family in managed nodegroups (#8778)
+
+## 🎯 Improvements
+
+- Make vpc-cni and kube-proxy optional when creating IPv6 clusters (#8790)
+
+## 🐛 Bug Fixes
+
+- Grant ec2:DescribeSubnets to the IPv6 VPC CNI role (#8835)
+- Bump oras-go to 2.6.2 to resolve five open advisories (#8829)
+
+## 🧰 Maintenance
+
+- Update aws-node to v1.23.0 (#8832)
+- Update coredns (#8833)
+- Update ec2-info (#8723)
+- Update coredns (#8724)
+- Update aws-node to v1.22.4 (#8747)
+- Update nvidia-device-plugin to v0.19.3 (#8722)
+
+## Acknowledgments
+
+The eksctl maintainers would like to sincerely thank @41ks, @amdonov, @chithreshazad, @gustavodiaz7722, @chithresha and @michaelbeaumont.
+