🚀 Release v1.8.3

Signed-off-by: chandankumar4 <chandan.kr404@gmail.com>

CHANGELOG/v1.8.3.md

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+## 👌 Kubernetes version support
+
+- Management Cluster: v1.27.x -> v1.31.x
+- Workload Cluster: v1.25.x -> v1.31.x
+
+[More information about version support can be found here](https://cluster-api.sigs.k8s.io/reference/versions.html)
+
+## Changes since v1.8.2
+## :chart_with_upwards_trend: Overview
+- 4 new commits merged
+- 1 bug fixed 🐛
+
+## :bug: Bug Fixes
+- KCP: Make KCP pre-terminate hook more robust (#11164)
+
+## :seedling: Others
+- Dependency: Bump to Go 1.22.7 (#11157)
+- e2e: Test/e2e: increase concurrency (#11144)
+
+:book: Additionally, there has been 1 contribution to our documentation and book. (#11154)
+
+## Dependencies
+
+### Added
+_Nothing has changed._
+
+### Changed
+_Nothing has changed._
+
+### Removed
+_Nothing has changed._
+
+_Thanks to all our contributors!_ 😊