* Default "stats_flush_interval" to 1 minute for Consul Telemetry Collector (#19663)
* Set default of 1m for StatsFlushInterval when the collector is setup
* Add documentation on the stats_flush_interval value
* Do not default in two conditions 1) preconfigured sinks exist 2) preconfigured flush interval exists
* Fix wording of docs
* Add changelog
* Fix docs
(cherry picked from commit bfb3a43648634e117c8405d6a6e3cc837fb8e3dc)
* fix pr labeller
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Co-authored-by: Ashvitha <ashvitha.sridharan@hashicorp.com>
John Buonassisi