Evaluate switch to camilb/prometheus-kubernetes

[solsson]

https://github.com/camilb/prometheus-kubernetes

Do we need tooling for the #2 tooling?

[solsson]

The repo is geared towards AWS, but can serve as useful documentaiton of some aspects of prometheus-operator (#2), notably [https://github.com/camilb/prometheus-kubernetes#updating-configurations](Updating Configurations).