Update kubernetes.md to reflect https://gitlab.com/charts/gitlab-runner/merge_requests/34 (!1470) · Merge requests · GitLab.org / gitlab-runner · GitLab

Xiaogang Wen requested to merge patch-3 into master Jul 17, 2019

What does this MR do?

In the https://gitlab.com/charts/gitlab-runner/blob/master/templates/deployment.yaml#L91 it copies to /home/gitlab-runner/.gitlab-runner/certs/ than /etc/gitlab-runner/certs/.