Add release notes for v0.219.0 (#8595)

Co-authored-by: NicholasBlaskey <[email protected]>

Author: eksctl-bot

docs/release_notes/0.219.0.md

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+# Release v0.219.0
+
+## 💥 Breaking Changes
+
+- Make AL2023 be the default for all k8s version to handle AL2 deprecation (#8593)
+
+## 🚀 Features
+
+- support Al2023 on outposts (#8599)
+
+## 🎯 Improvements
+
+- Make AL2023 be the default for all k8s version to handle AL2 deprecation (#8593)
+
+## Acknowledgments
+
+The eksctl maintainers would like to sincerely thank @NicholasBlaskey.
+