[helm] add support of loadBalancerIP for hub and router services

[DANic-git]

Description

Templates under charts/selenium-grid/templates/hub-service.yaml and charts/selenium-grid/templates/router-service.yaml are updated to support loadBalancerIP value
Values under charts/selenium-grid/values.yaml is updated to support loadBalancerIP value
Readme under charts/selenium-grid/README.md is updated to describe new values

Motivation and Context

This PR adds support to the loadBalancerIP parameter when the service type is LoadBalancer. This allows using of a specific IP for some cloud providers and on-premises

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[CLAassistant]

All committers have signed the CLA.

[diemol]

@den-is any chance you could help us to review this PR?

[diemol]

Could you please update your fork and also update the values in Chart.yaml?

[DANic-git]

Could you please update your fork and also update the values in Chart.yaml?

Sorry for long answer
Updated from upstream

[DANic-git]

Could you please update your fork and also update the values in Chart.yaml?

Values in Chart.yaml ?
Now is

apiVersion: v2
name: selenium-grid
description: A Helm chart for creating a Selenium Grid Server in Kubernetes
type: application
version: 0.6.2
appVersion: 4.3.0-20220628
icon: https://github.com/SeleniumHQ/docker-selenium/raw/trunk/logo.png

Do you mean up version?

[diemol]

Yes the version and also the CHANGELOG please, so we can do a release after merging.

[DANic-git]

Yes the version and also the CHANGELOG please, so we can do a release after merging.

Done

[diemol]

Thank you, @germetist!

Minor changes, but I can do them myself.