Support for GKE cluster authentication

[pawan-notion]

Describe the bug
A clear and concise description of what the bug is.

Client Version
e.g. 11.0.1

Kubernetes Version
e.g. 1.19.3

Java Version
e.g. Java 8

To Reproduce
Steps to reproduce the behavior:

Expected behavior
A clear and concise description of what you expected to happen.

KubeConfig
If applicable, add a KubeConfig file with secrets redacted.

Server (please complete the following information):

OS: [e.g. Linux]
Environment [e.g. container]
Cloud [e.g. Azure]
Additional context
Add any other context about the problem here.