This change updates the version of kubeconform to 0.4.7. It simplifies the
`validate` Makefile target and extracts the kubernetes version into a variable.

Co-Authored-By: Yann Hamon <yann.hamon@contentful.com>
Co-Authored-By: Kemal Akkoyun <kakkoyun@gmail.com>
Signed-off-by: paulfantom <pawel@krupa.net.pl>

Signed-off-by: paulfantom <pawel@krupa.net.pl>

It happened quite a few times that some queries failed when Prometheus
scrapes metrics from 2 kube-state-metrics instances. This situation can
happen briefly when the kube-state-metrics instance is rolled out. It
might also be more apparent when automatic sharding of
kube-state-metrics is enabled.

https://github.com/kubernetes-monitoring/kubernetes-mixin/pull/306
https://github.com/kubernetes-monitoring/kubernetes-mixin/pull/361



Signed-off-by: Simon Pasquier <spasquie@redhat.com>

pulls in recent performance improvement changes to speed up rendering

resolves #537

Signed-off-by: Damien Grisonnet <dgrisonn@redhat.com>

Signed-off-by: Damien Grisonnet <dgrisonn@redhat.com>

Also locks jsonnet-bundler to version v0.2.0

* Add metrics_path label to kubelet servicemonitor endpoints

* Set kubelet metric_path label in jsonnet

* Add generated kubelet servicemonitor