feat: remove high cardinality metric labels #221
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This MR removes these labels from the fmtLabel implementation of Outbound/InboundEndpointMetrics
These metrics will be removed: target_addr, dst_pod, dst_pod_template_hash, dst_zone, authority
They are all metrics with high cardinality
This MR also reduces the number of buckets for response_latency_bucket_ms metric.
It will use another approach for the larger buckets: instead of deleting buckets in a roll, it will buckets alternately