chore(deps): update dependency kubernetes/kubernetes to v1.29.3

Author: renovate[bot]

Makefile

@@ -3,7 +3,7 @@
 IMG ?= ghcr.io/aenix-io/etcd-operator:latest
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
 # renovate: datasource=github-tags depName=kubernetes/kubernetes
-ENVTEST_K8S_VERSION ?= v1.29.0
+ENVTEST_K8S_VERSION ?= v1.29.3
 ENVTEST_K8S_VERSION_TRIMMED_V = $(subst v,,$(ENVTEST_K8S_VERSION))
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)