Merge pull request kubernetes-sigs#11041 from rajankumary2k/v1.6.8

🚀 Release v1.6.8

Author: k8s-ci-robot

CHANGELOG/v1.6.8.md

@@ -0,0 +1,34 @@
+## 👌 Kubernetes version support
+
+- Management Cluster: v1.25.x -> v1.29.x
+- Workload Cluster: v1.23.x -> v1.29.x
+
+[More information about version support can be found here](https://cluster-api.sigs.k8s.io/reference/versions.html)
+
+## Changes since v1.6.7
+## :chart_with_upwards_trend: Overview
+- 6 new commits merged
+- 3 bugs fixed 🐛
+
+## :bug: Bug Fixes
+- API: Drop caBundle from CRDs (#10979)
+- CAPD: Docker: ignore kubeadm preflight check for FileContent--proc-sys-net-bridge-bridge-nf-call-ip6tables (#10938)
+- CAPD: Fix nil pointer in dockermachinepool controller (#10878)
+
+## :seedling: Others
+- clusterctl: Bump cert-manager to v1.15.2 (#10994)
+- e2e: Test: use pause image for autoscaler tests (#10890)
+- e2e: Test: use pause instead of nginx (#10893)
+
+## Dependencies
+
+### Added
+_Nothing has changed._
+
+### Changed
+_Nothing has changed._
+
+### Removed
+_Nothing has changed._
+
+_Thanks to all our contributors!_ 😊