Update GettingStarted.md (#42)

* Update GettingStarted.md

Author: Inbaraj-S

GettingStarted.md

@@ -46,9 +46,9 @@ This section describes steps to deploy and test OCI-Native-Ingress-Controller.
 ### Prerequisites
 Kubernetes Cluster with Native Pod Networking setup.
 Currently supported kubernetes versions are:
-- 1.26
 - 1.27
 - 1.28
+- 1.29
 
 We set up the cluster with native pod networking and update the security rules. 
 The documentation for NPN : [Doc Ref](https://docs.oracle.com/en-us/iaas/Content/ContEng/Concepts/contengpodnetworking_topic-OCI_CNI_plugin.htm).