*: Rename RuleFile to PrometheusRule

Makefile

...e-prometheus/prometheus-operator/prometheus-crd.libsonnet

...metheus/prometheus-operator/prometheus-operator.libsonnet

...ometheus/prometheus-operator/prometheusrule-crd.libsonnet

...ube-prometheus/prometheus-operator/rulefile-crd.libsonnet

jsonnet/kube-prometheus/prometheus/prometheus.libsonnet

...metheus-operator-0prometheusCustomResourceDefinition.yaml

...eus-operator-0prometheusruleCustomResourceDefinition.yaml

manifests/0prometheus-operator-clusterRole.yaml

manifests/prometheus-rules.yaml