Upgrade GitLab Runner to chart version 0.59.0 and app version 16.6.0

No problems deploying GitLab Runner to K3s cluster via Helm Chart and Flux V2 reconciliation in a GitOps approach.
And also by means of Watchtower infrastructure to Docker host for
Image Lifecycle Management.

Helm Chart 0.59.0
v16.5.0 (2023-10-20)