Updated k8s version to 1.29 and helm version to 3.14 in installers

Change-Id: I33f3ef86430742e47e79d8f01cc88d38344f51f7
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/install_kubeadm_cluster.sh b/installers/install_kubeadm_cluster.sh
index 64b61ba..51e815a 100755
--- a/installers/install_kubeadm_cluster.sh
+++ b/installers/install_kubeadm_cluster.sh
@@ -15,8 +15,8 @@
 
 set +eux
 
-K8S_VERSION=1.28
-K8S_PACKAGE_VERSION="$K8S_VERSION".2-1.1
+K8S_VERSION=1.29
+K8S_PACKAGE_VERSION="$K8S_VERSION".3-1.1
 
 # installs kubernetes packages
 function install_kube() {