docs: add expriation_interval to readme (#10583)

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Joshua Powers 2022-02-03 14:05:47 -08:00 committed by GitHub
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@ -44,6 +44,10 @@ of the algorithm which is implemented in the Prometheus
## Defaults to true.
cumulative = true
## Expiration interval for each histogram. The histogram will be expired if
## there are no changes in any buckets for this time interval. 0 == no expiration.
# expiration_interval = "0m"
## Example config that aggregates all fields of the metric.
# [[aggregators.histogram.config]]
# ## Right borders of buckets (with +Inf implicitly added).