Update kubectl to 1.16.15
As of December 22, 2020, the oldest version of Kubernetes supported by GitLab is 1.15.x. Kubernetes has an N-1 version skew support, so we can upgrade kubectl to 1.16.x.
As of December 22, 2020, the oldest version of Kubernetes supported by GitLab is 1.15.x. Kubernetes has an N-1 version skew support, so we can upgrade kubectl to 1.16.x.