Add release notes for v0.222.0 (#8646)

Author: eksctl-bot

docs/release_notes/0.222.0.md

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+# Release v0.222.0
+
+## 🚀 Features
+
+- Add support for EKS Windows Server 2025 in eksctl (#8648)
+- Allow wildcard matching of service account subject (#8629)
+
+## 🎯 Improvements
+
+- Bump aws-sdk-go-v2 versions to support aws login (#8668)
+-  Update default cluster version to Kubernetes v1.34 (#8645)
+
+## 🐛 Bug Fixes
+
+- replace AmazonLinux2 amis with AmazonLinux2023 | remove override-bootstrap test in custom\_ami tests (#8666)
+- fix integration test with eks default version change (#8665)
+- only create iam role stack for capability if the roleArn is not provided (#8655)
+- fix ssm resolver ami test with addition of bottleRocket nvidia fips amis (#8656)
+
+## Acknowledgments
+
+The eksctl maintainers would like to sincerely thank @KlwntSingh, @avoidik, @cdirubbio, @kprahulraj and @naclonts.
+