[new_relic sink] add a normalization layer to the sink to get incrementalized counters

[jszwedko]

No description provided.

[asllop]

Please check out the discussion here: #13903 (comment)

[malcolmrebughini]

Recently encountered the following logs using v0.40.1 and I think it is related to this issue. Is that correct or would this manifest in some other way?

2024-09-18T23:24:18.492100Z ERROR sink{component_kind="sink" component_id=new_relic component_type=new_relic}: vector_common::internal_event::component_events_dropped: Events dropped intentional=false count=1 reason="incremental counter missing interval" internal_log_rate_limit=true
2024-09-18T23:24:18.492173Z ERROR sink{component_kind="sink" component_id=new_relic component_type=new_relic}: vector::internal_events::common: Failed to build request. error=No valid metrics to generate error_type="encoder_failed" stage="processing" internal_log_rate_limit=true

[jszwedko]

I think that is this issue.