Add release notes for v0.217.0

Author: NicholasBlaskey

docs/release_notes/0.217.0.md

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+# Release v0.217.0
+
+## 🚀 Features
+
+- feat: Add enhanced node repair configuration support (#8512)
+
+## 🐛 Bug Fixes
+
+- Fix issue with upgrade policy not being applied (#8577)
+
+## 🧰 Maintenance
+
+- Update nvidia-device-plugin to v0.18.0 (#8549)
+- Update ec2-info (#8536)
+
+## Acknowledgments
+
+The eksctl maintainers would like to sincerely thank @NicholasBlaskey, and @sapphirew.
+