Add the GitLab Runner Kubernetes addon

[bobdoah]

Community Note

• Please vote on this issue by adding a 👍 reaction to the original issue to help the community and maintainers prioritize this request
• Please do not leave "+1" or other comments that do not add relevant new information or questions, they generate extra noise for issue followers and do not help prioritize the request
• If you are interested in working on this issue or have submitted a pull request, please leave a comment

What is the outcome that you are trying to reach?

Deploy a GitLab Runner on the EKS cluster

Describe the solution you would like

Add the GitLab Runner Helm chart to the Kubernetes addons

Describe alternatives you have considered

Installing manually.

Additional context

[bryantbiggs]

duplicate of #493