Add new deduplicated metric for vcpus.

This metric is being forwarded, as a deduplicated metrics.

See: OSD-22023 for more information.

configuration/telemeter/metrics.json

@@ -87,6 +87,7 @@
   "{__name__=\"eo_es_redundancy_policy_info\"}",
   "{__name__=\"eo_es_storage_info\"}",
   "{__name__=\"hypershift_cluster_cores\"}",
+  "{__name__=\"hostedcluster:hypershift_cluster_vcpus:deduplicated"}",
   "{__name__=\"imageregistry:imagestreamtags_count:sum\"}",
   "{__name__=\"imageregistry:operations_count:sum\"}",
   "{__name__=\"insightsclient_request_send_total\"}",