chore: fix inaccessible orb version in readme badge (#54)

Co-authored-by: Eric Ribeiro <[email protected]>

README.md

@@ -1,4 +1,4 @@
-# GCP: GKE Orb [![CircleCI Build Status](https://circleci.com/gh/CircleCI-Public/gcp-gke-orb.svg?style=shield "CircleCI Build Status")](https://circleci.com/gh/CircleCI-Public/gcp-gke-orb) [![CircleCI Orb Version](https://img.shields.io/badge/endpoint.svg?url=https://badges.circleci.io/orb/circleci/gcp-gke)][reg-page] [![GitHub License](https://img.shields.io/badge/license-MIT-lightgrey.svg)](https://raw.githubusercontent.com/CircleCI-Public/gcp-gke-orb/master/LICENSE) [![CircleCI Community](https://img.shields.io/badge/community-CircleCI%20Discuss-343434.svg)](https://discuss.circleci.com/c/ecosystem/orbs)
+# GCP: GKE Orb [![CircleCI Build Status](https://circleci.com/gh/CircleCI-Public/gcp-gke-orb.svg?style=shield "CircleCI Build Status")](https://circleci.com/gh/CircleCI-Public/gcp-gke-orb) [![CircleCI Orb Version](https://badges.circleci.com/orbs/circleci/gcp-gke.svg)][reg-page] [![GitHub License](https://img.shields.io/badge/license-MIT-lightgrey.svg)](https://raw.githubusercontent.com/CircleCI-Public/gcp-gke-orb/master/LICENSE) [![CircleCI Community](https://img.shields.io/badge/community-CircleCI%20Discuss-343434.svg)](https://discuss.circleci.com/c/ecosystem/orbs)
 
 A GKE Orb for CircleCI.
 It allows you to interact with Google Cloud Platform's (GCP) Google Kubernetes Engine (GKE) from within a CircleCI build job.