jsonnet: replace all k8s-app labels with app.kubernetes.io/name

jsonnet/kube-prometheus/kube-prometheus-bootkube.libsonnet

jsonnet/kube-prometheus/kube-prometheus-eks.libsonnet

...et/kube-prometheus/kube-prometheus-kops-coredns.libsonnet

jsonnet/kube-prometheus/kube-prometheus-kops.libsonnet

jsonnet/kube-prometheus/kube-prometheus-kube-aws.libsonnet

jsonnet/kube-prometheus/kube-prometheus-kubeadm.libsonnet

jsonnet/kube-prometheus/kube-prometheus-kubespray.libsonnet

...net/kube-prometheus/kube-prometheus-static-etcd.libsonnet

.../kube-prometheus/kube-prometheus-thanos-sidecar.libsonnet

jsonnet/kube-prometheus/kube-prometheus-weave-net.libsonnet

jsonnet/kube-prometheus/prometheus/prometheus.libsonnet