chore(prometheus): add container_spec_cpu_quota

Author: duanhongyi

charts/controller/templates/_helpers.tpl

@@ -342,6 +342,7 @@ container_file_descriptors: [instance, namespace, pod, container]
 container_threads: [instance, namespace, pod, container]
 container_threads_max: [instance, namespace, pod, container]
 container_ulimits_soft: [instance, namespace, pod, container]
+container_spec_cpu_quota: [instance, namespace, pod, container]
 container_spec_cpu_period: [instance, namespace, pod, container]
 container_spec_cpu_shares: [instance, namespace, pod, container]
 container_spec_memory_limit_bytes: [instance, namespace, pod, container]