Add release notes for v0.204.0 (#8171)

Author: eksctl-bot

docs/release_notes/0.204.0.md

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+# Release v0.204.0
+
+## 🚀 Features
+
+- Enable NVIDIA Plugin automatically for AL2023 GPU AMIs (#8199)
+- Added EBS IO2 volumeType support to Managed  NodeGroup (#7989)
+- Enable Bottlerocket on Neuron Instance types (Inferentia and Trainium) (#8173)
+
+## 🎯 Improvements
+
+- pre-Generate EC2 instance type details out of band (#8206)
+- New EFA plugin images need a new volume for EFA plugin to mount - `/dev/infiniband` (#8201)
+- Add addon name to some logging lines (#8200)
+
+## 🧰 Maintenance
+
+- Update building with golang 1.24 (#8210)
+- Update aws-node to v1.19.2 (#8160)
+
+## Acknowledgments
+
+The eksctl maintainers would like to sincerely thank @BhowmickSumit, @Juneezee, @alexandear, @dims and @vigh-m.
+