Update Helm chart for Keycloak on OpenShift to use Deployment instead of Deployment Config

[PrarthonaPaul]

Description

When using the Keycloak helm chart for OpenShift to create a Helm Release, the following warning is displayed.

Warning: apps.openshift.io/v1 DeploymentConfig is deprecated in v4.14+, unavailable in v4.10000+
deploymentconfig.apps.openshift.io/example-dc created

for OpenShift 4.14 and later, deploymentConfig is being Depracated and customers are encouraged to use Deployment instead: https://access.redhat.com/articles/7041372
The article outlines steps to be takes to migrate from using DeploymentConfig to Deployment.
For more information about the two objects, please see here: https://docs.openshift.com/container-platform/4.14/applications/deployments/what-deployments-are.html

Discussion

No response

Motivation

DeploymentConfig API is being deprecated in Red Hat OpenShift Container Platform 4.14.
Developer sandbox already uses 4.14.1

Details

Message on OpenShift:

DeploymentConfig is being deprecated with OpenShift 4.14
Feature development of DeploymentConfigs will be deprecated in OpenShift Container Platform 4.14.

DeploymentConfigs will continue to be supported for security and critical fixes, but you should migrate to Deployments wherever it is possible.